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Key to families | Table of families and genera
This text currently parallels The Jepson Manual: Vascular Plants of California, Second Edition that is now available at the University of California Press.
Text appearing in blue on this page will not appear in the printed book; it will be displayed only on the Web. Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Annual, erect, taprooted.
Leaf: base sheathing, 1–9+ mm; blade linear to lance- linear; veins 3.
Inflorescence: terminal, head-like; flowers generally few to several; involucral bracts 2–6, 5–12 mm wide, widely ovate, ± red to brown, scarious; pedicels 0–3 mm, hidden by involucre.
Flower: sepals 5, fused, glabrous to sparsely, minutely hairy, tube prominent, 8–14 mm, 1–3 mm diam, cylindric, scarious between sepals, veins 15, lobes 0.5–1.8 mm, < tube, rounded; petals 5, 10–14 mm, claw long, limb entire or 2-lobed; styles 2, 9–12 mm.
Fruit: capsule, ovoid; stalk 0.2–0.7 mm; valves 4, ascending to recurved.
Seed: many, black-brown to black.
33 species: Medit to c Asia. (Greek: rock fissure, from habitat of some species) [Rabeler & Hartman 2005 FNANM 5:162–165]
1. Lf sheath length ± = width, generally 1–2 mm; petals truncate or shallowly notched ..... P. prolifera
1' Lf sheath length 1.5–3 × width, generally 3–9 mm; petals obcordate to 2-lobed
2. Seeds 1–1.4 mm, conic-papillate; leaf sheath (3)4–9 mm; inner involucral bracts mucronate ..... P. dubia
2' Seeds (1.3)1.5–1.8 mm, tubercled; leaf sheath (2)3–4 mm; inner involucral bracts obtuse to mucronate ..... P. nanteuilii
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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