TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY |
Annual, perennial herb, shrub, tree, vine, some non-green, dependent on fungi for nutrition; hairs unbranched
Leaves simple, generally alternate (rarely opposite or whorled); veins pinnate; margin generally ± entire; stipules generally 0
Inflorescence: raceme, spike, or panicle
Flower bisexual, generally bilateral (appearing ± pea-flower-like) or ± radial; sepals 5, free or fused, lateral (inner) pair often larger and petal-like (wings); petals 5 or 3, individually fused to stamen tube, ± similar or different with 1 lower keel petal, 2 strap-like upper petals, and 0 or 2 small lateral petals; stamens 310, ± fused, tube open on upper side; ovary chambers 18, ovule 1 per chamber, style 1 or 0
Fruit: capsule, drupe, or nut, sometimes winged
Seed often with aril
Genera in family: 18 genera, 800 species: especially tropical, subtropical; very few cultivated
Reference: [Blake 1924 N Amer Fl 25:305379]
Annual, perennial herb, shrub, tree, vine; roots generally with wintergreen odor
Inflorescence: raceme or spike, sometimes grouped and panicle-like
Flower bilateral; lateral 2 sepals enlarged as wings; petals 3 or 5, keel petal often with cylindric beak or fringed crest at tip; stamens 68, anthers dehiscent at tip, appearing 1-chambered; nectary disk or gland present; ovary chambers 2, stigma 2-lobed
Fruit: capsule
Seed fusiform or ovoid, black, generally hairy, generally with prominent white aril on one end
Species in genus: ± 500 species: tropical, temp
Etymology: (Greek: much milk, some Eur species said to increase milk flow in cows)
Reference: [Wendt 1979 J Arnold Arbor 60:504514]
Native |
Perennial, subshrub, forming thorny mats 12 dm high, < 7 dm diam
Stem glabrous to puberulent, ± glaucous
Leaf 420 mm, ovate, elliptic, or obovate, often ± scabrous; base tapered to rounded
Inflorescence strongly thorn-tipped
Flower 7.513.5 mm; sepal wings pink; beak of keel-petal 1.44 mm, prominently notched on lower side, yellow
Fruit 4.27.8 mm including stalk; veins prominent
Seed 34.4 mm, including hairs; seed body widely elliptic to round in X -section, hairier near aril end; aril glabrous
Chromosomes: n=18
Ecology: Desert scrub
Elevation: 9001600 m.
Bioregional distribution: Desert Mountains (Funeral Mtns, Inyo Co.)
Distribution outside California: s Nevada
Flowering time: AprMay
Synonyms: P. subspinosa var. h. Barneby