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Key to families | Table of families and genera
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, glabrous to subglabrous. Stem: generally erect, 5–80 cm, ×-section generally angled, branches 0–few. Leaf: simple, basal and cauline, opposite, generally entire; basal short-petioled, spoon-shaped; cauline generally sessile, oblong to ovate or obovate. Inflorescence: clustered, head-like or interrupted spike, terminal; bracts palmately divided into 3–5 linear segments. Flower: calyx 0; corolla 2-lipped to ± radial and funnel-shaped, white to dark pink, tube base generally spurred; stamens 3. Fruit: achene; body ± triangular, 2–4 mm, strongly winged or not, wings lateral, wide, ± glabrous to densely hairy.
5 species: western North America, southwestern South America. (Greek: spur) [Morey 1962 Ph.D. Dissertation, Stanford Univ] Self-fertile; large-flowered taxa cross- and self-pollinated, small flowered taxa self-pollinated only. Wing shape, color, hairiness vary in some species
1. Fruit winged or not, if winged then wing margins ± = thickness as wing body; spur tip generally enlarged; spur generally < 1/2 corolla tube length (occasionally ± 0) ..... P. congesta
2. Corolla 1.5–3.5 mm, white to pale pink; flower fragrance weak to 0 ..... subsp. brachystemon
2' Corolla 4–9.5 mm, pale to dark pink; flowers fragrant ..... subsp. congesta
1' Fruit winged, wing margins >= 2 × as thick as wing body; spur tip enlarged or not; spur generally >= 1/2 corolla tube length
3. Corolla 2-lipped, pink to dark pink, lower corolla lobes > upper, when fresh lower lip with 2 red spots; spur slender, pointed; immature fruit pink to brown; mature fruit wing margins > 3.5 × as thick as wing body, wing margins rolled inwards ..... P. ciliosa
3' Corolla ± radial, white to pale pink, corolla lobes ± equal, red spots 0; spur thick, blunt; immature fruit white; mature fruit wing margins 2–3.5 × as thick as wing body, wing margins spreading, not rolled inwards ..... P. macrocera
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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