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Psoralea digitata

(Palmleaf Indian Breadroot)

Common Names

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Common Names in English:

Palm-Leaf Scurf Pea, Palmleaf Indian Breadroot

Description

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Family Fabaceae

The Fabaceae are herbs, vines , shrubs , trees , and lianas found in both temperate and tropical areas. They comprise one of the largest families of flowering plants , numbering 630 genera and 18,000 species. The leaves are stipulate , nearly always alternate, and range from bipinnately or palmately compound to simple . The petiole base is commonly enlarged into a pulvinus that commonly functions in orientation of the leaves (sometimes very responsively, as in the sensitive plant, Mimosa pudica). The flowers are usually bisexual , actinomorphic to zygomorphic, slightly to strongly perigynous, and commonly in racemes , spikes, or heads . The perianth commonly consists of a calyx and corolla of 5 segments each. The androecium consists of commonly 1- many stamens (most commonly 10), distinct or variously united , sometimes some of them reduced to staminodes. The pistil is simple, often stipitate , comprising a single style and stigma, and a superior ovary with one locule containing 2-many marginal ovules. The fruit is usually a legume, sometimes a samara, loment, follicle, indehiscent pod, achene, drupe, or berry. The seeds often have a hard coat with hourglass-shaped cells , and sometimes bear a u-shaped line called a pleurogram. [Carr]

Genus Psoralea

Herbs or undershrubs, punctate with black, brown or pellucid glands . Leaf 1-3 or more foliolate , leaflets entire; stipules present. Inflorescence capitate, spicate , subracemose or fasciculate. Bracts membranous, bracteoles absent. Calyx lobes subequal or the lower lobes larger. Petals all clawed, keel incurved , obtuse . Stamens diadelphous 9+1 or monadelphous , vexillary stamen free or more or less connate with others; anthers uniform or slightly dimorphous. Ovary sessile or stipitate , 1-ovuled, style incurved, Stigma terminal . Fruit ovate , indehiscent, 1-seeded.

A genus with about 130 species, mainly tropical and temperate in distribution, most numerous in S.Africa, locally represented by three species.[1]

Physical Description

Habit: HerbClimbing: Not Climbing

Biology

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Reproduction

Duration: Perennial

Taxonomy

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Unambiguous Synonyms

  1. Pediomelum digitatum (Nutt.)isely
  2. Psoralidium digitatum (Torr. & A. Gray)rydb.

Notes

Name Status: Provisionally Accepted Name . Latest taxonomic scrutiny: –

Place of publication : Fl. N. Amer. 1:300. 1838

Name verified on 26-Oct-1988 by ARS Systematic Botanists. Last updated: 22-May-1997

Similar Species

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Members of the genus Psoralea

ZipcodeZoo has pages for 294 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them:

P. abbottii · P. acanthocarpa · P. acaulis · P. aculeata (South African Scurfpea) · P. acuminata · P. adscendens · P. affinis (Fountain Bush) · P. agrophylla · P. alata · P. alnifolia · P. alopecurina · P. alopecuroides · P. americana · P. angustifolia · P. annua · P. aphylla (Blue Broom) · P. arborea · P. archeri · P. arenaria · P. argentea · P. argophylla (Silverleaf Indian Breadroot) · P. argophylla robustior · P. argophylla var. decumbens · P. argophylla var. robustior · P. aromatica · P. asarina · P. ascendens · P. astragalifolia · P. aurea · P. australasica · P. axillaris · P. azurea · P. badocana · P. badocana var. grandiflora · P. balsamica · P. biovulata · P. bipedunculata · P. bituminosa · P. brachiata · P. brachypus · P. bracteata · P. bracteolata · P. caffra · P. californica · P. campestris · P. candida · P. canescens (Hoary Scurfpea) · P. capitata · P. carnea · P. carthagenensis · P. castorea (Beaver Indian Breadroot) · P. cataracta · P. caudata · P. cephalotes · P. cinerea (Annual Verbine) · P. citriodora · P. clementii · P. collina · P. conferta · P. connixa · P. corylifolia · P. corymbosa · P. cryptocarpa · P. cullen · P. cuneata · P. cuneifolia · P. cuspidata (Largebract Indian Breadroot) · P. cyphocalyx (Turnip-Root Scurf Pea) · P. cytisoides · P. dalea · P. decidua · P. decipiens · P. decumbens · P. dentata · P. denudata · P. dietrichiae · P. digitata (Palmleaf Indian Breadroot) · P. digitata var. digitata · P. digitata var. parvifolia · P. discolor · P. divaricata · P. douglasii · P. douglasii var. hansenii · P. dregeana · P. drupacea · P. eckloniana · P. ecklonis · P. effusa · P. eglandulosa · P. elegans · P. elliptica · P. emphysodes · P. enneaphylla · P. ensifolia · P. epipsila · P. epipsila var. epipsilum · P. eriantha · P. esculenta (Large Indian Breadroot) · P. exile · P. fascicularis

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal January 28, 2008:

Identifiers

Footnotes

  1. "Psoralea". in Flora of Pakistan Page 215. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
Last Revised: 2009-07-02