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, 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
Seeds 3many
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
Seeds 3many
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.
Native |
Stem 1245 cm
Leaf 540 mm, 0.56 mm wide, generally linear to narrow-oblanceolate
Flower: outer sepals 0.54.5 mm, < 0.5 mm wide, linear; inner sepals 2.57 mm, 23.5 mm wide, ovate, acuminate; petals 311 mm, obovate; stamens 1245
Fruit 2.54 mm, ovoid
Seeds 410
Ecology: Dry sandy or rocky soil of hills, slopes, ridges
Elevation: < 1500 m.
Bioregional distribution: North Coast Ranges, n&c Sierra Nevada Foothills, n High Sierra Nevada, San Joaquin Valley, Central Western California, South Coast, Channel Islands, San Bernardino Mountains, Peninsular Ranges
Synonyms: H. suffrutescens B. Schreib., Bisbee Peak rush-rose
Varieties vulgare Jeps. and aldersonii (Greene) Munz not recognized. Threatened by mining.