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Amorpha L.

False indigo (en), Faux-Indigo (fr)

Genus

Angiosperms > Fabales > Fabaceae

Characteristics

Cal-tube obconic; cal-lobes half-orbicular to lanceolate, equal or the lowest one slightly larger, standard obovate or broad cuneate, ± folded about the base of the stamens; wings and keel none; stamens 10, exsert; filaments united only near the base; ovary short, 2-ovuled; fr oblong, often curved, slightly compressed, indehiscent, 1–2-seeded; shrubs with pinnately compound lvs, numerous penninerved lfls, and small anthocyanic (white) fls in dense spike-like racemes from the upper axils and terminal. 15, N. Amer.
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Shrubs or shrublets, glandular-punctate. Leaves imparipinnate; stipules small or absent; leaflets many, small. Inflorescences ter­minal, racemes or spikes, these sometimes in leafy panicles. Calyx 5-toothed. Corolla reduced to just standard, embracing stamens and pistil. Stamens 10, monadelphous, sheath split adaxially; anthers uniform. Ovary sessile, 2-ovuled. Legume oblong, falcate, inde­hiscent, often densely glandular-warty, falling with persistent calyx. Seed with small hilum.
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Growth form shrub
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Sexuality hermaphrodite
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Nitrogen fixer rhizobia
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Hardiness (USDA) 4-9

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Cultivation

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Germination duration (days) 30 - 120
Germination temperacture (C°) 10 - 15
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Germination treatment soaking
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Images

Amorpha unspecified picture

Distribution

Amorpha world distribution map, present in China and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:30017473-2
WFO ID wfo-4000001655
COL ID 8YQK7
BDTFX ID 85863
INPN ID 189061
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Bonafidia Amorpha Monosemeion

Lower taxons

Amorpha herbacea Amorpha nitens Amorpha californica Amorpha nana Amorpha glabra Amorpha fruticosa Amorpha georgiana Amorpha schwerinii Amorpha roemeriana Amorpha ouachitensis Amorpha laevigata Amorpha paniculata Amorpha glabra Amorpha californica Amorpha laevigata Amorpha nana Amorpha confusa Amorpha apiculata Amorpha glabra Amorpha x notha Amorpha canescens
WorldFloraDB 2024