Thermopsis R.Br.

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Genus

Angiosperms > Fabales > Fabaceae

Characteristics

Perennial herbs. Rhizome creeping, producing annual erect stems, basal stipules joined to form a sheath, thin and scarious, 3-fid. Leaves digitately 3-foliolate, pedicellate; stipules large, leaflike, free. Racemes leaf-opposed or terminal; bracts connate with lat­eral stipules, becoming 3(or 6)-fid, persistent; bracteoles absent. Calyx campanulate, or gibbous and baglike on proximal side, 5-toothed. Corolla yellow, rarely purple, petals clawed. Stamens 10, free. Ovules 4-22. Legume linear-oblong or ovate, straight or curved, leathery. Seed reniform or orbicular; hilum small, white.
More
Cal bilabiate, the upper lip shallowly lobed or merely notched, the lower deeply 3-lobed; pet nearly equal in length, the standard suborbicular, the wings and keel oblong; stamens 10, distinct; ovary sessile or short-stipitate, longer than the style; pod linear, flat, several-seeded; perennial, usually rhizomatous herbs with 3-foliolate lvs and ± foliaceous stipules, bearing yellow fls in terminal racemes. 25, N. Amer., ne. Asia.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 4-9

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 15 - 30
Germination temperacture (C°) 21
Germination luminosity -
Germination treatment soaking
Minimum temperature (C°) -
Optimum temperature (C°) -
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Vigor -
Productivity -