| 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 |
Annual, perennial herb, non-green root-parasites; roots modified into absorptive structures; plant an erect, fleshy, mostly underground stem (peduncle) with terminal inflorescence
Leaf: true leaves 0
Inflorescence: spike, raceme, or panicle; bracts alternate, scale-like
Flower bisexual; calyx cylindric or cup-shaped, lobes 0–5, persistent; corolla ± 2-lipped, lobes generally 5; stamens 4, epipetalous in 2 pairs (sometimes a 5th vestigial); ovary superior, chamber 1, placentas generally 2–4, parietal, simple or lobed, stigma generally 2–4-lobed, generally bowl- to funnel-shaped
Fruit: capsule, loculicidal; valves 2–4
Seeds many, small, angled; surface netted
Genera in family: 14 genera, 200 species: especially n temp
Reference: [Thieret 1971 J Arnold Arbor 52:404–432]
Recent taxonomic note: Recently treated to include hemiparasitic genera of Scrophulariaceae (e.g., Castilleja, Cordylanthus, Orthocarpus, Pedicularis, Triphysaria [Olmstead et al. 2001 Mol Phylogen Evol 16:96–112]
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Annual, perennial herb, generally glandular-puberulent above; root attachment sometimes tuber-like
Stem simple or branched
Inflorescence generally ± spike-like (lower flowers often short-pedicelled or on short branches), generally dense; flowers generally > 20; bracts generally lanceolate to deltate (wider on peduncle); bractlets 0 or 2
Flower: calyx lobes generally 4–5; corolla glandular-puberulent (hairs short and tack-shaped or long-stalked), generally lacking ring of hairs at stamen bases, upper lip erect to reflexed, generally 2-lobed, lower lip 3-lobed, spreading, yellow-lined; anthers glabrous to hairy; stigma lobes 2, spreading or peltate
Fruit 2-valved; placentas generally 2 or 4, often lobed
Seed < 0.7 mm
Species in genus: 140 species: worldwide, especially Medit
Etymology: (Greek: vetch strangler, from parasitic habit)
Reference: [Heckard 1973 Madroño 22:41–70]
| Native |
Plant 5–26 cm, ± yellowish white
Stem generally simple, stout, glandular-puberulent
Inflorescence: bracts narrowly ovate, with > 5 conspicuous, parallel veins
Flower: calyx 10–20 mm, ± narrowly triangular, pale; corolla 15–25 mm, buff to pinkish, lips 4–8 mm, lobes rounded, veins reddish; anthers glabrous to hairy
Ecology: Bare, sandy to rocky soils, generally on shrubs
Elevation: < 2800 m.
Bioregional distribution: s High Sierra Nevada, Tehachapi Mountain Area, Central Coast, Southwestern California, White and Inyo Mountains, Desert Mountains
Distribution outside California: Baja California
Synonyms: O. californica Cham. & Schldl. var. p. Jeps
| Native |
Plant 15–26 cm
Inflorescence 5–14 cm
Flower: calyx lobes 10–16 mm; corolla 20–25 mm, lips 6–8 mm, spreading; anthers glabrous or hairy; stigma lobes wide, spreading
Chromosomes: 2n=48
Ecology: Uncommon. Openings in chaparral, scrub, generally on shrubs
Elevation: < 2800 m.
Bioregional distribution: s High Sierra Nevada, Tehachapi Mountain Area, Southwestern California, White and Inyo Mountains, Desert Mountains
Distribution outside California: Baja California
Flowering time: May–Jul
Synonyms: O. californica var. p. Jeps
Separation from O. ludoviciana Nutt. var. arenosa (Suksd.) Cronquist blurred in GB.