|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
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, coarse, leafy; rhizome thick
Stem erect, 12 m, simple, hollow
Leaves many, alternate, lanceolate to widely ovate, generally acute, clasping, coarsely veined, reduced upward
Inflorescence: panicle; flowers many
Flower bisexual or staminate; perianth parts 6, petal-like, free, widely spreading, white or greenish to red-brown, nectary glands 12 near base; stamens 6, attached to perianth; ovary slightly inferior, chambers 3, styles 3, short, stigmas long
Fruit: capsule, septicidal
Species in genus: ± 25 species: n temp
Etymology: (Latin: dark roots)
Alkaloids used medicinally and TOXIC to both livestock and humans.
Leaves elliptic to widely ovate; lower 1535 cm, sparsely curly-ciliate, lower surface hairy, upper surface veins sparsely short-hairy
Inflorescence generally 3070 cm, woolly; main axis erect; lower branches drooping; pedicels 25 mm
Flower 610 mm; perianth parts oblanceolate to oblong, green to yellowish, ± irregularly toothed, hairy above, glands 2, elliptic, darker green or yellowish; stamens ± 1/2 perianth length; ovary glabrous
Fruit 23 cm, oblong-ovoid
Seed 710 mm, widely winged
Ecology: Wet subalpine meadows
Elevation: 15002000 m.
Bioregional distribution: Klamath Ranges
Distribution outside California: to Alaska, e N.America
Horticultural information: DFCLT.