| 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 few–many
Genera in family: 80 genera, ± 1500 species: worldwide, especially Africa; many cultivated (e.g., Iris, Gladiolus, Crocus, Freesia ).
Perennial; corms rounded, membranous covering split at top into several pointed teeth
Inflorescence: flower generally solitary on erect, basal peduncle, subtended by 2 bracts
Flower: perianth generally funnel-shaped, tube generally < or = lobes; style generally ± = stamens, branches each 2-lobed
Seeds many
Species in genus: ± 90 species: especially Africa, Medit
Etymology: (Romulus, legendary founder of Rome)
Reference: [DeVos 1983 J S Africa Bot, Suppl vol. 9]
| Introduced |
Plant generally < 20 cm
Leaf 5–35 cm, 1–2.5 mm wide, compressed-cylindric, generally 4-grooved
Inflorescence: peduncle 5–15 cm; outer bract ± 15 mm, inner ± 10 mm
Flower 1.5–2 cm; perianth tube yellow, lobes pale lilac; style 7–10 mm, not exceeding stamens
Fruit 10–15 mm, thin-walled; bracts persistent
Ecology: Uncommon. Disturbed areas, dry, sandy or often hard-packed soil
Elevation: < 50 m.
Bioregional distribution: North Coast, Central Coast, San Francisco Bay Area
Distribution outside California: native to s Africa
Synonyms: R. longifolia (Salisb.) Baker