- You are here:
- Dichotomous Key
- Fabaceae
- Vicia
- Vicia villosa
Vicia villosa — hairy vetch
Copyright: various copyright holders. To reuse an image, please click it to see who you will need to contact.
Facts
Hairy vetch was introduced from Europe as a forage crop for livestock, and to stabilize banks and roadsides.
Habitat
Anthropogenic (man-made or disturbed habitats), meadows and fields
New England distribution
Adapted from BONAP data
Native: indigenous.
Non-native: introduced (intentionally or unintentionally); has become naturalized.
County documented: documented to exist in the county by evidence (herbarium specimen, photograph). Also covers those considered historical (not seen in 20 years).
State documented: documented to exist in the state, but not documented to a county within the state. Also covers those considered historical (not seen in 20 years).
Note: when native and non-native populations both exist in a county, only native status is shown on the map.
Found this plant? Take a photo and post a sighting.
Characteristics
- Habitat
- terrestrial
- New England state
-
- Connecticut
- Maine
- Massachusetts
- New Hampshire
- Rhode Island
- Vermont
- Flower petal color
-
- blue to purple
- white
- 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 and splits open when ripe
- Fruit length
- 20–40 mm
-
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
- Cleistogamous flowers
- 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
- At least 10 mm
- Flower number
- 10–40
- Flower petal color
-
- blue to purple
- white
- 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
- Hairs on inflorescence
- the axis of the inflorescence has hairs entirely without glands
- Horns in hoods (Asclepias)
- NA
- Hypanthium
- the flower has a hypanthium
- Inflorescence length
- 30–150 mm
- Inflorescence one-sided
- the flowers are all or nearly all arrayed on one side of the inflorescence axis or branches of the inflorescence
- Inner tepals (Rumex)
- NA
- Length of flower stalk
- 1–2 mm
- Length of peduncle
- 10–30 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
- white
- 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
- 10–20 mm
- Petal length relative to sepals
- the petals are longer than the sepals
- Petal number
- 5
- Petal shape
-
- 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)
- the petal outline is orbicular (roughly circular, as wide as long)
- 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
-
- blue to purple
- green to brown
- pink to red
- white
- Sepal length
- 5–6 mm
- Sepal number
- 5
- Sepal relative length
- the sepal lobes are shorter than the fused portion
- Sepal shape
-
- the sepal outline is lanceolate (lance-shaped; narrow, gradually tapering from the base to the tip)
- the sepal outline is linear (extremely narrow, thread-like)
- the sepal outline is roughly triangular
- Sepal uniformity
- one or more of the sepals is much narrower or shorter than the others
- Sepals fused only to sepals
- the sepals are fused to each other (not other flower parts), at least near their bases
- Spur length
- 0 mm
- Spur number
- NA
- 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
- 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 cross-section
- the fruit is at least somewhat flattened
- Fruit features (Brassicaceae)
- NA
- Fruit length
- 20–40 mm
- Fruit locules
- one
- Fruit shape
- the fruit is obloid (longer than wide and with rounded ends)
- Fruit type (general)
- the fruit is dry and splits 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)
- Fruit width
- 4–12 mm
- Hair type on fruit
- NA
- Hairs on fruit
- the fruits are not hairy
- 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
- Ovary stipe
-
- the ovary or fruit does not have a stipe
- the ovary or fruit has a stipe
- Ovary stipe length
- 2–3 mm
- 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 length
- 3 mm
- Seed number
- 2–8
- Seed relative length
- the seed is about as long as it is wide
- 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 only a single year or less
- Parasitism
- the plant is not parasitic
- Plant color
- the leaves or young stems of the plant are green
- Spines on plant
- the plant has no spines
- Underground organs
- there are only slender roots on the plant
-
Leaves
- Bracteole edges
- NA
- Bracteole length
- 0 mm
- Bracteole number (Apiaceae)
- 0
- Bracteole shape
- NA
- Bracteoles
- there are no bracteoles on the plant
- Bracts in plantain (Plantago)
- NA
- Final leaf segment length (compound lvs only)
- 10–30 mm
- Final leaf segment length to width ratio (compound lvs only)
- 2.5–8
- Final leaf segment width (compound lvs only)
- 3–7 mm
- 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
- 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 flatness
- the leaf is flat (planar) at the edges
- Leaf blade hairs
- the leaf blade has simple hairs with no glands, and not tangled or wooly
- Leaf blade length
- 30–60 mm
- 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 linear (very narrow with more or less parallel sides)
- 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 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 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 acuminate (tapers to a long, thin point)
- the tip of the leaf blade is acute (sharply pointed)
- the tip of the leaf blade is obtuse (bluntly pointed)
- 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
- 8–24
- Leaves per node
- there is one leaf per node along the stem
- Pinnately compound leaf type
- the pinnately compound leaves lack a terminal leaflet (and usually have an even 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 edges
- the stipule margins do not have teeth
- Stipule features
- NA
- Stipule length
- 7–12 mm
- Stipule shape
-
- the stipules are another shape than the choices given
- the stipules are lanceolate (lance-shaped; widest below the middle and tapering at both ends)
- 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
- meadows or fields
-
Scent
- Plant odor
- the plant does not have much of a smell
-
Stem, shoot, branch
- Branched tendrils
- the tendrils are branched
- Direction of stem hairs
- the hairs point mostly upwards to outwards
- Hair between stem nodes
-
- the stem has hairs between the nodes
- the stem has no hairs between the nodes
- Hairs between stem nodes
-
- the hairs on the stem are plain, without glands or branches, and not tangled
- the stem has no hairs between the nodes
- 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
- 1–2 mm
- Plant height
- 30–200 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
- Stem succulence
- the stems are not succulent
- Tendril origin
- the tendril is derived from a leaf or leaflet
- Tendrils
- the plant has 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.
ssp. villosa
- Massachusetts
- not applicable (S-rank: SNA)
From Flora Novae Angliae dichotomous key
10. Vicia villosa Roth E
hairy vetch. 10a. Vicia dasycarpa Ten.; Vicia varia Host • CT, MA, ME, NH, RI, VT. Fields, roadsides, waste areas.
1a. Plants glabrate to pubescent with subappressed to spreading hairs shorter than 1 mm; upper lobe of calyx lanceolate to narrow-lanceolate, 1–2 (–2.4) mm long; racemes common with 10–20 loosely arranged flowers … 10a. Vicia villosa ssp. varia (Host) Corb.
1b. Plants conspicuously villous with hairs 1–2 mm long; upper lobe of calyx acicular, 2–4 mm long; racemes commonly with more than 20 crowded flowers … 10b. Vicia villosa ssp. villosa
Subspecies varia is known from MA, ME. Subspecies villosa is known from CT, MA, ME, NH, RI, VT.
Native to North America?
No
Sometimes confused with
- Vicia cracca:
- base of flower not swollen, so the flower stalk appearing to attach to the base of the flower and upper sepals broad-triangular (vs. V. villosa, with the base of flower swollen on the upper side so that the flower stalk appears to attach to the underside of the flower and upper sepals lanceolate to narrow-triangular).
Synonyms
- Vicia dasycarpa Ten.
- Vicia varia Host