|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
For up-to-date information about California vascular plants, visit the Jepson eFlora.
Annual to shrubs, generally glandular, some green root-parasites
Stem generally round
Leaves generally alternate, simple, generally ± entire; stipules generally 0
Inflorescence: spike to panicle, generally bracted, or flowers 12 in axils
Flower bisexual; calyx lobes generally 5; corolla generally strongly bilateral, generally 2-lipped (upper lip generally 2-lobed, lower lip generally 3-lobed); stamens generally 4 in 2 pairs, generally included, a 5th (generally uppermost) sometimes present as a staminode; pistil 1, ovary superior, chambers generally 2, placentas axile, style 1, stigma lobes generally 2
Fruit: capsule, generally ± ovoid, loculicidal or septicidal
Seed: coat sculpture often characteristic
Genera in family: ± 200 genera, 3000 species: ± worldwide; some cultivated as ornamental (e.g., Antirrhinum, Mimulus, Penstemon ) or medicinal (Digitalis )
Recent taxonomic note: Recently treated to include only Buddleja, Scrophularia, and Verbascum in CA; other genera moved to Orobanchaceae (Castilleja, Cordylanthus, Orthocarpus, Pedicularis, Triphysaria), Phrymaceae (Mimulus), and Plantaginaceae (= Veronicaceae sensu Olmstead et al.)
Key to genera by Elizabeth Chase Neese & Margriet Wetherwax.
Annual to subshrub, green root-parasites
Leaves sessile, entire to dissected
Inflorescence spike-like; bracts becoming shorter, wider, more lobed than leaves, tips generally colored
Flower: calyx generally unequally 4-lobed, generally colored like bract tips; corolla upper lip beak-like, tip open, lower lip generally reduced, 3-toothed to -pouched; stamens 4; anther sacs 2, unequal; stigma entire to 2-lobed, generally exserted
Fruit loculicidal, ± ovoid, ± asymmetric
Seed generally ± brown, attached at base; coat netted, net-like walls sometimes aligned ladder-like
Species in genus: ± 200 species: especially w North America
Etymology: (Domingo Castillejo, Spanish botanist)
Reference: [Chuang & Heckard 1991 Syst Bot 16:644666]
Highly variable within and between populations.
Hybridization and polyploidy common;polyploid forms may have separate ranges or be ± identifiable within populations by minor characters. Biologically consistent taxa very difficult to define
Horticultural information: TRY with host; usually DFCLT.
Annual 1045 cm, glandular-puberulent, stiff-hairy
Leaf 1050 mm; lobes 59, ± thread-like
Inflorescence 220 cm, 24 cm wide; bracts 1025 mm, white to purplish red, lobes 59 (lowest pair often again 24-lobed), ± linear (tips wider)
Flower: calyx 1022 mm, divided 1/2 in front, 1/3 on sides, 2/3 in back; corolla 1230 mm, beak 67 mm, shaggy-hairy, tip hooked, lower lip 46 mm, pouches 38 mm wide, 34 mm deep; filaments puberulent; stigma ± included
Fruit 1015 mm
Seed 12 mm; coat deeply netted, loose-fitting
Ecology: Open fields, grassland
Elevation: < 1600 m.
Bioregional distribution: Northwestern California, Sierra Nevada Foothills, Great Central Valley, Central Western California, Southwestern California, w Mojave Desert
Distribution outside California: Arizona, nw Mexico
Synonyms: Orthocarpus purpurascens Benth
Highly variable; hybridizes with C. attenuata, C. densiflora, C. lineariloba. Very showy in spring.
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