|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.
Shrub-like, often producing rosettes without seeds, blooms once and dies
Leaves in basal rosette, long-lived, < 50 cm, sessile, linear to ovate, fleshy, glabrous; lateral teeth and tip spine-like
Inflorescence: panicle or raceme-like, scapose, generally bracted, generally 24 m
Flower: perianth segments 6 in 2 petal-like whorls, 310 cm; stamens 6; ovary inferior, chambers 3
Fruit: capsule, ± ovoid, loculicidal
Seeds many, flat, black
Species in genus: ± 300 species: warm and tropical Am
Etymology: (Greek: noble, from imposing stature)
Reference: [Gentry 1982 Agaves of North America, Univ AZ Press]
Plant dark green; caudex 1030 cm, branchedSee the CNPS Inventory for information about endangerment and rarity.
Leaf 2050 cm, generally ovate; marginal teeth variable
Inflorescence: panicle; peduncle bracts purple, fleshy; flowers sessile in tight clusters
Flower: perianth 75100 mm, yellow to reddish, tube 1216 mm, lobes unequal; filaments attached near middle of tube, 6070 mm; ovary 3550 mm, fleshy
Fruit 5070 mm, beaked
Ecology: Coastal bluffs, slopes,
Elevation: < 500 m.
Bioregional distribution: s South Coast (San Diego Co.)
Distribution outside California: Baja California
Horticultural information: In cultivation.