TREATMENT FROM THE JEPSON MANUAL (1993) |
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©Copyright 1993 by the Regents of the University of California
For up-to-date information about California vascular plants, visit the Jepson eFlora. |
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
Seeds fewmany
Genera in family: 80 genera, ± 1500 species: worldwide, especially Africa; many cultivated (e.g., Iris, Gladiolus, Crocus, Freesia ).
Perennial; rhizome creeping or ± tuber-like
Inflorescence: flowers 1many
Flower: perianth parts clawed, sepals (wider, spreading or reflexed) unlike petals (generally narrower, erect); style branches ± petal-like, arching over stamens, each with flat, scale-like stigma on surface facing stamen, just below generally 2-lobed tip (crest)
Seeds compressed, pitted
Species in genus: Perhaps 150 species: generally n temp
Etymology: (Greek: rainbow, from flower colors)
Reference: [Lenz 1958 Aliso 4:172; Clarkson 1959 Madroño 15:115122]
Hybrids are common, especially in I. tenax alliance; some authors lump taxa recognized here.
Horticultural information: Pacific Iris hybrids; CVS.
Native |
Rhizome < 10 mm diam
Stem < 7 dm
Leaf 920 mm wide; base generally evergreen, without red pigment
Inflorescence: flowers generally 3; lowest 2 bracts generally alternate, up to 19 cm apart, spreading, outermost 6.511 cm, 814 mm wide
Flower: perianth pale lavender to bluish or reddish violet, tube 712 mm, sepals 69 cm, 1837 mm wide; style branches generally 30 mm, crests 1120 mm, stigmas triangular, sometimes with acuminate tips
Chromosomes: 2n=40
Ecology: UNCOMMON. Partly shaded slopes
Elevation: 540800 m.
Bioregional distribution: s Sierra Nevada Foothills (Tule River, Tulare Co.)
Horticultural information: DRN, SHD, IRR: 7, 9, 14, 15, 16, 18, 19, 20, 21, 23; DFCLT.