|Jepson Flora Project: Jepson Interchange|
|TREATMENT FROM THE JEPSON MANUAL (1993)||
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Jepson Interchange (more information)
©Copyright 1993 by the Regents of the University of California
AND IS MAINTAINED FOR ARCHIVAL PURPOSES ONLY
Perennial, shrub; hairs short and in stellate clusters, or short or long and simple, peltate, or glandular
Stem erect, generally branched
Leaves simple, generally opposite, entire, petioled or not; stipules present or 0
Inflorescence: cyme (raceme- or panicle-like), or flowers solitary
Flower generally bisexual, radial; sepals 5, outer 2 often narrower, bract-like, or 3, often persistent in fruit; petals generally 5, generally ephemeral; stamens generally many, free, ± persistent in fruit or not; ovary superior, chamber 1 (or appearing as 310 from intruded parietal placentas), style 1 or 0, stigma generally 1, entire or 310-lobed
Fruit: capsule, loculicidal, 310-valved
Genera in family: 8 genera, 165 species: warm temp, especially Medit; some cultivated (Cistus ; Helianthemum ; Tuberaria )
Reference: [Brizicky 1964 J Arnold Arbor 45:346357]
Fls open in sunshine for < 1 day.
Perennial, shrub, evergreen; hairs generally in stellate clusters, rarely glandular (except inflorescence), very sparse to dense
Stem generally erect, ± broom-like
Leaves cauline, generally alternate in CA, generally linear to lanceolate or oblanceolate, ± sessile; stipules present or 0
Inflorescence raceme- or panicle-like
Flower: sepals 5, outer 2 generally narrower; petals yellow; stamens 10many; style < 2 mm, stigma ± hemispheric
Fruit generally 3-valved
Species in genus: ± 120 species: ± range of family
Etymology: (Greek: sun flower)
Reference: [Daoud & Wilbur 1965 Rhodora 67:6382, 201216, 255312]
CA species especially abundant after fire.
See the CNPS Inventory for information about endangerment and rarity.
Stem 1530 cm
Leaf 730 mm, 14 mm wide, linear-lanceolate to oblanceolate
Flower: outer sepals 2.54 mm, 0.51 mm wide, lanceolate; inner sepals 4.57 mm, 34 mm wide, ovate, acuminate; petals 58 mm, obovate; stamens 2025
Fruit 46 mm, ovoid
Seeds ± 15
Ecology: Dry, rocky slopes, ridges, chaparral
Elevation: < 300 m.
Bioregional distribution: Channel Islands.Threatened by grazing.