|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
previous taxon |
Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
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
Genera in family: 80 genera, ± 1500 species: worldwide, especially Africa; many cultivated (e.g., Iris, Gladiolus, Crocus, Freesia ).
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 28:149176]
See the CNPS Inventory for information about endangerment and rarity.
Stems tufted, < 70 cm, almost always with leaf-bearing nodes, pale green, glaucous
Inflorescence: translucent margins of inner bract widest at tip, extending above tip as 2 rounded teeth
Flower: perianth 1015 mm, generally pale blue, tips truncate to sometimes notched, with a small point
Ecology: Generally strongly alkaline margins of wet areas
Elevation: < 800 m.
Bioregional distribution: ne Mojave Desert (Death Valley region)
Distribution outside California: adjacent Nevada
Flowering time: FebApr
Horticultural information: IRR, ALKALINE: 8, 9, 10, 11, 12, 13, 14, 19, 20, 21, 22, 23.