• You are here:
• Full Key
• Orchids and related plants
• Irises, lilies, and other "monocots"
• Stenanthium gramineum

Stenanthium gramineum — eastern featherbells

Facts

Eastern featherbells is native to the southeastern United States, but not to New England, where it has been collected only in Connecticut. This is a strikingly ornamental species, and is sometimes cultivated in the native wildflower garden.

Habitat

Forest edges, forests

Characteristics

• Clonal plantlets

  Axillary bulblets

  there are no bulblets being produced in axils

• Flowers

  Bulblets replace flowers

  there are no bulblets where the flowers are located

  Carpels fused

  the carpels are fused (the number of carpels equals the number of locules)

  Flower petal color

  • green to brown
  • white

  Flower petal length

  4–10 mm

  Flower symmetry

  there are two or more ways to evenly divide the flower (the flower is radially symmetrical)

  Form of style

  the flower has two or more completely separate styles

  Fringed petal edges

  the petals are not fringed

  Inflorescence type

  • the inflorescence is a panicle (branched with the individual flowers on stalks)
  • the inflorescence is a raceme (a long unbranched stem with stalked flowers growing along it)

  Marks on petals

  the petals have spots or streaks on them

  Nectar spur

  the flower has no nectar spurs

  Number of pistils

  3

  Number of styles

  3

  Ovary position

  the ovary is above the point of petal and/or sepal attachment

  Petal appearance

  the petals are thin and delicate, and pigmented (colored other than green or brown)

  Petal fusion

  • the perianth parts are fused to form a tube, cup, or bell shape
  • the perianth parts are separate

  Sepal appearance

  the sepals resemble petals in color and texture

  Sepal length

  4–10 mm

  Sepals fused only to sepals

  the sepals are separate from one another

  Spathe

  the plant does not have a spathe

  Spathe form

  NA

  Stamen length

  1–4 mm

  Stamen number

  6

  Stamen position relative to petals

  NA

  Stamens fused

  the stamens are not fused to one another

  Stamens fused outwards

  the stamens are not fused to the petals or tepals

  Style petal-like

  the style is not broad and flattened like a petal

  Tepals

  the petals and sepals are similar in size and color

• Fruits or seeds

  Berry color

  NA

  Fruit compartments

  there are three locules in the fruit

  Fruit length

  6–10 mm

  Fruit type (general)

  the fruit is dry and splits open when ripe

  Fruit type (specific)

  the fruit is a capsule (splits along two or more seams, apical teeth or pores when dry, to release two or more seeds)

  Other markings on berry

  NA

• Glands or sap

  Sap

  the sap is clear and watery

• Growth form

  Lifespan

  the plant lives more than two years

  Underground organs

  • the plant has a rhizome (a horizontal underground stem with roots growing from it)
  • the plant has one or more swollen storage organs underground, such as bulbs, tubers or corms

• Leaves

  Leaf arrangement

  • alternate: there is one leaf per node along the stem
  • basal: the leaves are growing only at the base of the plant

  Leaf blade basal lobes

  the leaf blades do not have basal lobes

  Leaf blade base

  the leaf blade clasps the stem at the base, or the leaf blade goes all the way around the stem, so that the stem appears to pierce the leaf blade

  Leaf blade base shape

  the base of the leaf blade is cuneate (wedge-shaped, tapers to the base with relatively straight, converging edges), or narrow

  Leaf blade cross-section

  the leaf blade is U- or V-shaped

  Leaf blade faces

  both surfaces of the leaf blade are exposed

  Leaf blade form

  Fully-formed (i.e., expanded), +/- green leaf blades are found somewhere on the plant

  Leaf blade length

  200–700 mm

  Leaf blade shape

  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 veins

  the lateral veins are parallel or slightly arched in the direction of the tip

  Leaf blade width

  5–30 mm

  Leaf type

  the leaves are simple (i.e., lobed or unlobed but not separated into leaflets

  Stipule twining

  NA

  Stipules

  there are no stipules on this plant

• Place

  Habitat

  terrestrial

  New England state

  Connecticut

  Specific habitat

  • edges of forests
  • forests

• Scent

  Plant odor

  the leaves have no particular smell

• Stem, shoot, branch

  Flowering stem leaves

  there is at least one fully-formed leaf on the flowering stem

Wetland status

Occurs in wetlands or non-wetlands. (Wetland indicator code: FAC)

New England distribution and conservation status

From the dichotomous key of Flora Novae Angliae