Jepson Flora Project: Jepson Interchange    

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Jepson Interchange (more information)
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  • Up-to-date information about California vascular plants is available from the Jepson eFlora.



Lauramay T. Dempster

Annual, perennial herb, generally scapose
Leaves generally basal, simple, with longitudinal ribs; stipules 0
Inflorescence: spike, generally terminal, generally dense; flowers few–many, each subtended by 1 bract
Flower unisexual or bisexual, generally radial; calyx deeply 4-lobed, lobes generally overlapping, persistent, margin mostly scarious; corolla salverform or cylindric, lobes 4, spreading to erect, scarious, persistent, colorless; stamens 2–4, alternate corolla lobes, epipetalous; ovary superior, 2–4-chambered, ovules several per chamber, style 1, stigma long, hairy
Genera in family: 3 genera, ± 270 species: worldwide, especially temp; some weedy, some (especially P. afra , psyllium) cultivated for laxative
Recent taxonomic note: Recently treated to include Callitrichaceae, and most non-parasitic CA genera of Scrophulariaceae (but not Mimulus, Scrophularia, Verbascum); = Veronicaceae sensu Olmstead et al. [Angiosperm Phylogeny Group 1998 Ann Missouri Bot Gard 85:531–553; Olmstead et al. 2001 Mol Phylog Evol 16:96–112]



Annual, perennial herb
Stem decumbent to erect
Flower generally bisexual; corolla radial, sometimes bilateral
Fruit: capsule, circumscissile ± at or below middle
Seeds 2–many, gelatinous when wet
Species in genus: ± 250 species: worldwide
Etymology: (Latin: sole of foot)


P. erecta E. Morris

Annual, ± silky or long-hairy; hairs scattered
Leaf 3–13 cm, thread-like to narrowly oblanceolate, entire or teeth few, small
Inflorescences 1–many, 3–30 cm including peduncle; spike 0.5–3 cm, head-like to short-cylindric, dense, hairy; bract 0.4–0.5 X sepals, ovate, not exserted
Flower: corolla lobes 2–2.7 mm, spreading or reflexed, round-ovate, tips obtuse; stamens 4
Seeds 2, 2–2.5 mm
Chromosomes: 2n=20
Ecology: Sandy, clay, or serpentine soils, grassy slopes and flats, open woodland
Elevation: < 700 m.
Bioregional distribution: California Floristic Province
Distribution outside California: to Oregon, Baja California
Synonyms: subsp. rigidior Pilg.; P. hookeriana Fisch. & C.A. Mey. var. californica (Greene) I. Poe & P. bigelovii subsp. c. (Greene) Bassett, misapplied
Horticultural information: TRY.

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