Cytisus Desf.

Broom (en), Cytise (fr)

Genus

Angiosperms > Fabales > Fabaceae

Characteristics

Shrubs or small trees, not armed. Lvs 1-or 3-foliolate, petiolate or apetiolate; stipules small or 0. Fls yellow, white, reddish or tinged mauve, axillary or forming leafy, terminal racemes; bracts and bracteoles small, caducous. Calyx campanulate, bilabiate, usually < 5 mm long; upper lip shortly 2-fid or toothed; lower lip with 3, usually minute or indistinct teeth. Stamens connate into a closed tube; alternate anthers long and basifixed or short and versatile. Style glabrous; stigma terminal. Pod 2-valved, ± straight, explosively dehiscent, few-to many-seeded; seeds strophiolate, smooth.
More
Cal broadly cup-shaped, rather shallowly bilabiate, each lip minutely toothed; standard suborbicular, reflexed; wings elliptic, auriculate on one side at base; keel-pet curved beneath; stamens 10, monadelphous in a closed tube; filaments alternately long with minute anthers and short with linear ones; style curved throughout its length; pods elongate, flat, several-seeded; unarmed shrubs with green twigs, 1–3-foliolate lvs (or lfless), minute or no stipules, and conspicuous yellow (white) fls. 33, Old World.
Life form -
Growth form shrub
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Sexuality hermaphrodite
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Nitrogen fixer rhizobia
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Environment

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Hardiness (USDA) 4-9

Usage

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Edible -
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Cultivation

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Germination duration (days) 25 - 30
Germination temperacture (C°) 21 - 23
Germination luminosity light
Germination treatment soaking
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