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 ).


Perennial; rhizomes creeping; roots fibrous
Stem branched or not
Inflorescence: flowers in umbel-like clusters
Flower: perianth parts free, spreading, dissimilar, outer generally sepal-like, inner petal-like, larger, generally white; filaments shortly fused at base; style branches each entire
Seeds many
Species in genus: ± 20 species: especially Australasia, some temp S.AM
Etymology: (Marie A. Libert, Belgium, 1782–1863)


L. formosa Graham

Stem 60–125 cm
Leaves: basal 15–45 cm, 5–15 mm wide
Inflorescence: pedicels 6–12 mm
Flower: sepals < 10 mm, lanceolate, greenish brown, petals spreading, 12–18 mm, obovate, white
Fruit 6 mm wide, round
Ecology: Uncommon. Disturbed urban, coastal areas
Elevation: < 50 m.
Bioregional distribution: San Francisco Bay Area
Distribution outside California: native to Chile

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