Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California

  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Dale W. McNeal, except as specified

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.



James C. Dice

Tree-like subshrubs, dioecious or some flowers bisexual
Stems thick and woody or ± underground
Leaves densely rosetted, 6–20 dm, stiff, sword-like; bases much expanded, white, fleshy
Inflorescence: panicle or raceme-like, scapose, bracted, < 4 m
Flower: perianth parts 6 in 2 petal-like whorls, ± white, < 6 mm; stamens 6, filaments slender; ovary superior, 3-chambered, style and 3 stigmas short, ovules 2 per chamber
Fruit: capsule, papery
Seeds 1–3 per fruit, ovoid
Species in genus: ± 25 species: s US, Mex
Etymology: (P.C. Nolin, 18th century French agriculturist)
Reference: [Munz & Roos 1950 Aliso 2:217–238]


N. bigelovii (Torr.) S. Watson

Stem 10–25 dm, simple to several-branched aboveground
Leaves 50–150 per rosette, 15–45 mm wide just above expanded base, ± glaucous; base 7–15 cm, 5–11 cm wide; margin minutely serrate when young, shredding-fibrous when mature
Inflorescence 15–35 dm; axis 20–40 mm diam at base; bracts ± lanceolate, generally early deciduous
Seeds 2.5–3.5 mm, grayish white
Chromosomes: n=19
Ecology: Rocky slopes and ridges
Elevation: 300–1500 m.
Bioregional distribution: Desert Mountains, Sonoran Desert
Distribution outside California: s Nevada, w Arizona, nw Mexico
Flowering time: May–Jun
Scattered and local
Horticultural information: DRN, SUN: 2, 3, 7, 10, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24 &IRR: 8, 9, 11, 12, 13.

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