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.



Elizabeth McClintock, except as specified

Perennial, bulbed, cormed, or rhizomed
Stem generally erect
Leaves generally basal (a few cauline), 2-ranked, ± linear, generally grass-like, generally sharply folded along midrib; bases overlapping, sheathing
Inflorescence: spike, raceme, panicle, ± terminal, or flowers solitary; bracts ± like leaf bases, sheathing
Flower generally bisexual, generally radial; hypanthium fused to ovary; perianth parts generally fused into tube above ovary, generally petal-like, in 2 series of 3, outer (sepals) generally ± like inner (petals); stamens 3, generally attached to sepals, filaments fused below into a tube or not; ovary inferior, 3-chambered, placentas generally axile, style 1, each of 3 branches entire or 2-branched or -lobed, petal-like or not, with stigma on under surface instead of at tip
Fruit: capsule, loculicidal
Seeds few–many
Genera in family: 80 genera, ± 1500 species: worldwide, especially Africa; many cultivated (e.g., Iris, Gladiolus, Crocus, Freesia ).


Douglass M. Henderson and Anita F. Cholewa

Perennial; rhizomes compact
Stems single or tufted, generally ± flat and winged or rounded, sometimes with leaf-bearing nodes well above basal leaves, each with 1 or more flower-branches
Leaf narrow, grass-like
Inflorescence: flowers in umbel-like clusters; bracts 2, equal in length or not, margins translucent
Flower ephemeral; perianth reddish purple, bluish, violet, yellow, rarely white, parts ± alike, but outer generally wider; filaments ± completely free to ± completely fused
Seeds ovoid, smooth or pitted
Species in genus: ± 70 species: w hemisphere
Etymology: (Name used by Theophrastus for Iris-like plant)
Reference: [Henderson 1976 Brittonia 28:149–176]


S. bellum S. Watson


Stems generally tufted, < 64 cm, sometimes 5.3 mm wide, almost always with leaf-bearing nodes
Inflorescence: translucent margins of inner bract wider just below tip, not extending above tip
Flower: perianth 10.5–17 mm, deep bluish purple to blue-violet, or pale blue, rarely white, tips truncate to notched, with a small point
Chromosomes: n=16
Ecology: Common. Open, generally moist, grassy areas, woodlands
Elevation: generally < 2400 m.
Bioregional distribution: California
Distribution outside California: Oregon
Flowering time: Mar–May
Synonyms: S. eastwoodiae E.P. Bicknell; S. greenei E.P. Bicknell; S. hesperium E.P. Bicknell
Generally self-incompatible
Horticultural information: DRN: 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24 &IRR: 3, 19 &SHD: 10, 11; CVS.

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