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.



Perennial with onion odor, taste; bulb solitary or on rhizomes, reforming each year, divides at base into daughter bulbs, outer bulb coats generally brown or gray, cell sculpture generally important to identification, inner bulb coats generally white
Stem scapose, cylindric or flat
Leaves basal, 1–5, linear, cylindric, channeled, or flat, generally withering from tip before flower
Inflorescence: umbel; bracts generally 2–4, conspicuous, ± fused, scarious
Flower: perianth segments 6, in 2 petal-like whorls; stamens 6, epipetalous, filaments wide at base, fused into a ring; ovary superior, sometimes with 3 or 6 crests, chambers 3, ovules generally 2 per chamber, style 1, stigma entire or 3-lobed
Fruit: capsule, loculicidal
Seed obovoid, black, sculpture net-like, smooth, or granular
Species in genus: 500 species: worldwide, especially CA
Etymology: (Latin: garlic)


A. sanbornii A.W. Wood

Bulb 15–25 mm, ovoid; outer coats red-brown, sculpture 0 or 2–3 rows of vertical cells above root pad; inner coats light brown or white
Stem 18–60 cm
Leaf = stem, cylindric
Inflorescence: flowers generally 18–150; pedicels 5–22 mm
Flower 4–9 mm; perianth parts erect, ± ovate, entire to jagged, white to deep pink, inner whorl longer; ovary crests 6, prominent, entire
Ecology: UNCOMMON. Serpentine outcrops
Elevation: 300–1400 m.
Bioregional distribution: Cascade Range Foothills, n&c Sierra Nevada Foothills
Distribution outside California: s Oregon


var. sanbornii


Flower: perianth parts acute, entire to ± irregular, inner 1.3 X outer; stigma head-like to obscurely 3-lobed
Chromosomes: n=7
Ecology: UNCOMMON. Habitat and range of sp
Bioregional distribution: Cascade Range Foothills, n&c Sierra Nevada Foothills
Horticultural information: DRY, SUN, DRN: 7, 14, 15, 16, 17; may be DFCLT.
See the CNPS Inventory for information about endangerment and rarity.
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bioregional map for ALLIUM%20sanbornii%20var.%20sanbornii being generated

Retrieve Jepson Interchange Index to Plant Names entry for Allium sanbornii var. sanbornii
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