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 |
Perennial to trees, from membranous bulb, fibrous corm, scaly rhizome, or erect caudex
Stem generally underground
Leaves generally basal, often withering early, alternate, generally ± linear
Inflorescence various, generally bracted
Flower generally bisexual, generally radial; perianth often showy, segments generally 6 in two petal-like whorls (outer sometimes sepal-like), free or fused at base; stamens 6 (or 3 + generally 3 ± petal-like staminodes), filaments sometimes attached to perianth or fused into a tube or crown; ovary superior or inferior, chambers 3, placentas generally axile, style generally 1, stigmas generally 3
Fruit: generally capsule, loculicidal or septicidal (berry or nut)
Genera in family: ± 300 genera, 4600 species: especially ± dry temp and subtropical; many cultivated for ornamental or food;some TOXIC . Here includes genera sometimes treated in Agavaceae, Amaryllidaceae, and other families.
Perennial; rhizome slender, creeping
Stem erect, branched, scaly below, leafy above
Leaves alternate, sessile to clasping, ± oblique at base, strongly veined
Inflorescence ± umbel-like, terminal; flowers 1several, drooping, ± hidden by leaves; perianth segments 6 in 2 petal-like whorls, free, white to greenish in CA; stamens 6, free; ovary superior, chambers 3, style slender, stigma entire or 3-lobed
Fruit: berry, ovoid to spheric, yellow to red
Seeds black
Species in genus: ± 15 species: temp North America, e Asia
Etymology: (Greek: double seed)
Native |
Stem 3080 cm, sparingly branched, hairy at least above
Leaf 315 cm, (ob)ovate, acute to acuminate, cordate, oblique at base, ciliate, glabrous to densely hairy, especially on veins below
Inflorescence: flowers 13
Flower narrowly bell-shaped; perianth parts 815 mm, narrowly elliptic, spreading from middle or lower, greenish; stamens = or > perianth, anthers glabrous or minutely sharp-bristly; ovary and style glabrous or ± hairy
Fruit 79 mm, spheric, red
Ecology: Shady woodlands
Elevation: < 1600 m.
Bioregional distribution: Northwestern California, Sierra Nevada, Central Western California
Distribution outside California: to w Canada, Montana
Synonyms: var. parvifolium (S. Watson) Britton; var. trachyandrum (Torr.) Q. Jones
Recent taxonomic note: Prosartes hookeri Torr.
Horticultural information: SHD, DRN: 4, 5, 6 &IRR: 1, 2, 7, 14, 15, 16, 17.