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Lespedeza hirta — hairy bush-clover

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Facts

Hairy bush-clover is a fairly distinctive member of this genus, with cream-colored flowers largely hidden by the narrow hairy calyx lobes that taper to a sharp point and gradually turn brown.

Habitat

Anthropogenic (man-made or disturbed habitats), woodlands

New England distribution

Adapted from BONAP data

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North America distribution

Adapted from BONAP data

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Characteristics

Habitat
terrestrial
New England state
  • Connecticut
  • Maine
  • Massachusetts
  • New Hampshire
  • Rhode Island
  • Vermont
Flower petal color
  • blue to purple
  • pink to red
  • white
  • yellow
Leaf type
the leaves are compound (made up of two or more discrete leaflets
Leaf arrangement
alternate: there is one leaf per node along the stem
Leaf blade edges
the edge of the leaf blade is entire (has no teeth or lobes)
Flower symmetry
there is only one way to evenly divide the flower (the flower is bilaterally symmetrical)
Number of sepals, petals or tepals
  • there are five petals, sepals, or tepals in the flower
  • there are four petals, sepals, or tepals in the flower
Fusion of sepals and petals
  • both the petals and sepals are separate and not fused
  • the petals or the sepals are fused into a cup or tube
Stamen number
10
Fruit type (general)
the fruit is dry but does not split open when ripe
Fruit length
5–8 mm
Show all characteristics

  • Clonal plantlets

    Bulbils
    the plant does not appear to have bulbils
    Bulblets replace flowers
    there are no bulblets where the flowers are located

  • Flowers

    Anther opening
    the anthers have narrow slits or furrows that run lengthwise along the anthers
    Anther spurs
    the anthers do not have spurs on them
    Calyx symmetry
    there is only one way to evenly divide the calyx (the calyx is bilaterally symmetrical)
    Carpels fused
    • NA
    • the carpel is solitary or (if 2 or more) the carpels are not fused to one another
    Cleistogamous flowers
    • the plant has some cleistogamous flower
    • there are no cleistogamous flowers on the plan
    Corolla morphology
    NA
    Corolla palate
    no
    Corona lobe length
    0 mm
    Epicalyx
    the flower does not have an epicalyx
    Epicalyx number of parts
    0
    Filament surface
    the filament is smooth, with no hairs or scales
    Flower description
    the flower has a superior ovary and a hypanthium
    Flower length
    5–9 mm
    Flower number
    10–44
    Flower petal color
    • blue to purple
    • pink to red
    • white
    • yellow
    Flower reproductive parts
    the flower has both pollen- and seed-producing parts
    Flower symmetry
    there is only one way to evenly divide the flower (the flower is bilaterally symmetrical)
    Flowers sunken into stem
    no
    Fused stamen clusters
    there are two clusters of fused stamens
    Fusion of sepals and petals
    • both the petals and sepals are separate and not fused
    • the petals or the sepals are fused into a cup or tube
    Horns in hoods (Asclepias)
    NA
    Hypanthium
    the flower has a hypanthium
    Inflorescence length
    10–30 mm
    Inflorescence one-sided
    the flowers are arrayed in a spiral around the inflorescence axis or branches, or occur singly, or in several ranks
    Inner tepals (Rumex)
    NA
    Length of flower stalk
    1–2 mm
    Length of peduncle
    20–50 mm
    Marks on petals
    there are no noticeable marks on the petals
    Nectar spur
    the flower has no nectar spurs
    Number of branches in umbel
    0
    Number of carpels
    1
    Number of pistils
    1
    Number of sepals, petals or tepals
    • there are five petals, sepals, or tepals in the flower
    • there are four petals, sepals, or tepals in the flower
    Number of styles
    1
    Ovary position
    the ovary is above the point of petal and/or sepal attachment
    Perianth shape
    NA
    Petal and sepal arrangement
    the flower includes two cycles of petal- or sepal-like structures
    Petal and sepal colors
    • blue to purple
    • pink to red
    • white
    • yellow
    Petal appearance
    the petals are thin and delicate, and pigmented (colored other than green or brown)
    Petal base
    the petal narrows abruptly at the base
    Petal folds or pleats
    • the petals of the flower do not have folds or plaits
    • the petals of the flower have folds or plaits on them
    Petal hairs (Viola)
    NA
    Petal length
    5–9 mm
    Petal length relative to sepals
    the petals are shorter than the sepals
    Petal number
    5
    Petal shape
    • the petal outline is linear (extremely narrow, thread-like)
    • the petal outline is oblong (rectangular, but with rounded ends)
    • the petal outline is obovate (roughly egg-shaped, but with the widest point above the middle of the leaf blade)
    Petal tips (Cuscuta)
    NA
    Raceme attachment (Veronica)
    NA
    Reproductive system
    all the flowers have both carpels and stamens (synoecious)
    Scales inside corolla
    no
    Sepal and petal color
    the sepals are different from the petals
    Sepal appearance
    the sepals are green or brown, and leaf-like in texture
    Sepal appendages
    the sepals do not have appendages on them
    Sepal appendages (Oenothera)
    NA
    Sepal color
    green to brown
    Sepal length
    7–12 mm
    Sepal number
    5
    Sepal shape
    • the sepal outline is lanceolate (lance-shaped; narrow, gradually tapering from the base to the tip)
    • the sepal outline is subulate (narrowly tapering from the base to the apex; awl-shaped)
    Sepal tip shape
    the sepal tip is acuminate (tapers to a very narrow point)
    Sepal uniformity
    all the sepals are about the same size
    Sepals fused only to sepals
    the sepals are separate from one another
    Spur length
    0 mm
    Spur number
    NA
    Stamen lengths differ
    the stamens are all approximately the same length
    Stamen morphology
    the stamens within each cycle are the same
    Stamen number
    10
    Stamens fused
    the stamens are attached to one another at or near their bases
    Staminodes
    there are no staminodes on the flower
    Stigma position
    the stigmas are positioned at the tip of the style
    Style petal-like
    the styles are not petal-like
    Umbel flower reproductive parts
    NA
    Upper lip of bilabiate corolla
    NA

  • Fruits or seeds

    Achene relative orientation
    NA
    Achene shape
    NA
    Achene surface (Polygonum)
    NA
    Achene type
    NA
    Berry color
    NA
    Capsule color (Viola)
    NA
    Capsule ribs
    NA
    Capsule splitting
    • NA
    • the capsule splits by two main valves, teeth or pores
    Carpel beak length
    0 mm
    Fruit (pyxis) dehiscence
    NA
    Fruit features (Brassicaceae)
    NA
    Fruit length
    5–8 mm
    Fruit length relative to sepals
    the fruit is about the same length as its associated sepals
    Fruit locules
    one
    Fruit shape
    the fruit is ellipsoid (widest in the middle and tapering to each end)
    Fruit type (general)
    the fruit is dry but does not split open when ripe
    Fruit type (specific)
    the fruit is a legume (a fruit that splits into two valves, but only has a single carpel; think of a pea pod)
    Hair type on fruit
    the hairs on the fruits are simple (not branched), don’t have glands, and are not woolly
    Hairs on fruit
    the fruits have hairs on them
    Legumes (Fabaceae)
    the legume has none of the mentioned special features
    Mericarp length
    0 mm
    Mericarp segment shape (Desmodium)
    NA
    Other markings on berry
    NA
    Placenta arrangement
    the plant has parietal placentation, where ovules develop on the wall or slight outgrowths of the wall forming broken partitions within a compound ovary
    Rows of seeds in fruit (Brassicaceae)
    NA
    Schizocarpic fruit compression
    NA
    Schizocarpic fruit segments
    0
    Seed number
    1
    Septum in fruit (Brassicaceae)
    NA
    Wings on fruit
    the fruit does not have wings on it
    prickles on fruits
    the fruits do not have thorn-like defensive structures

  • Glands or sap

    Glands on leaf blade
    the leaf blades do not have glandular dots or scales
    Sap
    the sap is clear and watery
    Sap color
    the sap is clear

  • Growth form

    Growth form
    the plant is an herb (it has self-supporting stems)
    Lifespan
    the plant lives more than two years
    Parasitism
    the plant is not parasitic
    Plant color
    the leaves or young stems of the plant are green
    Plants darken when dry
    no
    Spines on plant
    the plant has no spines

  • Leaves

    Bracteole number (Apiaceae)
    0
    Bracteoles
    the plant has bracteoles between the primary bracts and the flowers
    Bracts in plantain (Plantago)
    NA
    Final leaf segment length (compound lvs only)
    15–40 mm
    Final leaf segment length to width ratio (compound lvs only)
    1.2–1.8
    Floral bracts
    the flower has one or more bracts associated with it
    Hairs on underside of leaf
    the underside of the leaf is fuzzy or hairy
    Hairs on upper side of leaf
    • the upper side of the leaf is fuzzy or hairy
    • the upper side of the leaf is not hairy, or it has very few hairs
    Hooked hairs on underside of leaf
    no
    Inflated hairs on leaf
    the leaf blade does not have inflated hairs on it
    Leaf arrangement
    alternate: there is one leaf per node along the stem
    Leaf blade base
    the leaf has a distinct leaf stalk (petiole)
    Leaf blade base symmetry
    the leaf blade base is symmetrical
    Leaf blade bloom
    the underside of the leaf has no noticeable bloom
    Leaf blade edges
    the edge of the leaf blade is entire (has no teeth or lobes)
    Leaf blade hairs
    the leaf blade has simple hairs with no glands, and not tangled or wooly
    Leaf blade primary vein pattern
    the secondary veins branch off at intervals from the primary vein
    Leaf blade shape
    • the leaf blade is elliptic (widest near the middle and tapering at both ends)
    • the leaf blade is ovate (widest below the middle and broadly tapering at both ends)
    Leaf blade surface colors
    the upper side of the leaf blade is relatively uniform in color
    Leaf blade texture
    the leaf blade is herbaceous (has a leafy texture)
    Leaf blade vein pattern
    the major veins of the leaf blade branch, but do not rejoin
    Leaf blade veins
    the leaf blade has one main vein running from the base towards the tip (it may or may not have secondary veins)
    Leaf duration
    the leaves drop off in winter (or they whither but persist on the plant)
    Leaf form
    the leaves are green, with an expanded blade and a leaf-like texture
    Leaf hair orientation
    • the hairs are flat against the leaf surface, mostly pointing towards the leaf tip
    • the hairs are standing up straight or curved in different directions
    Leaf shiny
    the upper side of the leaf is dull or slightly shiny
    Leaf spines
    there are no spines on the leaf edges
    Leaf stalk
    the leaves have leaf stalks
    Leaf stalk attachment to leaf
    the petiole attaches at the basal margin of the leaf blade
    Leaf stalk length
    10–20 mm
    Leaf teeth and lobes
    the edge of the leaf blade is entire (has no teeth or lobes)
    Leaf tip
    • the tip of the leaf blade is obtuse (bluntly pointed)
    • the tip of the leaf blade is rounded, with no point
    Leaf type
    the leaves are compound (made up of two or more discrete leaflets
    Leaf types
    NA
    Leaf variation
    the leaves are nearly similar in size, prominence of teeth, and length of stalks throughout the stem
    Leaflet number
    3
    Leaflet petiolules
    the leaflets of the compound leaf have petiolules
    Leaves per node
    there is one leaf per node along the stem
    Pinnately compound leaf type
    the pinnately compound leaves have a terminal leaflet (and usually have an odd number of leaflets per axis)
    Specific leaf type
    the leaf has a row of two or more lobes on each side of the central axis
    Stipels
    there are no stipels at the bases of the petiolules
    Stipule features
    NA
    Stipule shape
    • the stipules are another shape than the choices given
    • the stipules are linear (very narrow with more or less parallel sides)
    Stipules
    the plant has stipules
    Teeth per side of leaf blade
    0

  • Place

    Habitat
    terrestrial
    New England state
    • Connecticut
    • Maine
    • Massachusetts
    • New Hampshire
    • Rhode Island
    • Vermont
    Specific habitat
    • man-made or disturbed habitats
    • woodlands

  • Scent

    Plant odor
    the plant does not have much of a smell

  • Stem, shoot, branch

    Branched tendrils
    NA
    Direction of stem hairs
    the hairs point mostly upwards to outwards
    Flowering stem cross-section
    the flowering stem is circular, or with lots of small angles so that it is roughly circular
    Hair between stem nodes
    the stem has hairs between the nodes
    Hairs between stem nodes
    the hairs on the stem are plain, without glands or branches, and not tangled
    Hooked hairs on stem between nodes
    no
    Leaves on stem
    there is at least one full leaf above the base of the flowering stem
    Length of hairs between stem nodes
    0.5–1 mm
    Plant height
    80–200 cm
    Stem bloom
    there is no powdery or waxy film on the stem
    Stem hair distribution
    the hairs on the stem are distributed more of less uniformly
    Stem orientation
    the stems are upright or angled outwards
    Stem roughness between nodes
    the stem does not feel rough
    Tendril origin
    NA
    Tendrils
    the plant does not have tendrils
    Wings on stem
    the stem does not have wings on it

Wetland status

Not classified

In New England

Distribution

Connecticut
present
Maine
present
Massachusetts
present
New Hampshire
present
Rhode Island
present
Vermont
present

Conservation status

Exact status definitions can vary from state to state. For details, please check with your state.

Maine
extremely rare (S-rank: S1)

ssp. hirta

Massachusetts
widespread (S-rank: S5)
Vermont
extremely rare (S-rank: S1), threatened (code: T)

ssp.hirta

Maine
extremely rare (S-rank: S1), endangered (code: E)

Subspecies and varieties

Our subspecies is Lespedeza hirta (L.) Hornem. ssp. hirta.

From Flora Novae Angliae dichotomous key

7.  Lespedeza hirta (L.) Hornem. ssp. hirta N

hairy bush-clover. Lespedeza capitata (L.) Hornem. var. calycina (Schindl.) Fern.; L. polystachya Michx. • CT, MA, ME, NH, RI, VT; limited in ME to the extreme southern portion of the state. Woodlands, forest clearings, dry openings. Clewell (1966) notes that the plants of Marthas Vineyard and Nantucket Island, MA, are morphologically distinct from other populations 
of this species in their denser and longer indument.

3×7. Lespedeza capitata × Lespedeza hirta → Lespedeza ×‌longifolia DC. is a rare hybrid bush-clover that known is from MA, ME, NH. It usually displays one of three morphologies—(1) plants with leaves of L. hirta but the congested inflorescence of L. capitata; (2) plants with leaves intermediate between the parents but with well-exserted inflorescences; and (3) plants generally resembling L. capitata but with elongate petioles. The name L. ×‌longifolia may not 
apply to this nothospecies, but rather to L. angustifolia ×L. hirta or unusual plants of 
 L. capitata (Clewell 1966).

6×7. Lespedeza frutescens × Lespedeza hirta → This very rare bush-clover hybrid is known from RI. It has fruits mostly 1.2–1.5 
times as long as the sepals and has fewer-flowered and looser inflorescences than Lespedeza hirta.

7×8. Lespedeza hirta × Lespedeza procumbens → This very rare bush-clover hybrid is known from MA. It shows many stems ascending (rather than procumbent or erect, as in the parental taxa) and calyx lobes often ca. ⅔ as long as the mature legume.

7×10. Lespedeza hirta × Lespedeza stuevei → This very rare bush-clover hybrid is known from MA. It is similar to Lespedeza hirta ×L. violacea (7 ×12), but the adaxial leaf surface is moderately pubescent (rather than sparsely), and the abaxial leaf surface is pubescent with dense and/or ascending hairs (rather than moderate and appressed).

7×12. Lespedeza hirta × Lespedeza violacea → Lespedeza ×‌nuttallii Darl. is a rare bush-clover hybrid known from CT, MA, ME, NH, RI, VT. It usually demonstrates the foliage characteristics of L. violacea with the inflorescence characteristics of L. hirta (e.g., well exserted inflorescences). Further, 
many collections also show longer calyx lobes relative to the length of the fruit than 
 L. violacea (i.e., the fruits are mostly 1.2–1.5 times as long as the calyx). Isely (1998) stated that some material identified as L. ×‌nuttallii may actually have L. stuevei or 
 L. virginica as the purple-flowered parent instead of L. violacea.

7×13. Lespedeza hirta × Lespedeza virginica → This rare bush-clover hybrid is known from CT. It has fruits that shortly exceed the sepals (mostly 1.2–1.5 times as long) and leaf blades that are glabrous adaxially, moderately appressed-pubescent abaxially, and 3.2–3.8 times as long as wide.

Native to North America?

Yes

Sometimes confused with

Lespedeza capitata:
leaflets 2.5-8 times as long as wide, leaf stalks from near the middle of the stem mostly 1-3 mm long (vs. L. hirta, with leaflets 1.2-1.8 times as long as wide, leaf stalks from near the middle of the stem mostly 10-15 mm long).

Synonyms

  • Lespedeza capitata var. calycina (Schindl.) Fern.
  • Lespedeza polystachya Michx.

Family

Fabaceae

Genus

Lespedeza