Cistanthe tweedyi(synonym of Lewisiopsis tweedyi) |
Cistanthe maritima |
|
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Tweedy's bitterroot, Tweedy's lewisia, Tweedy's pussypaws |
seaside calandrinia, seaside cistanthe, seaside pussypaws |
|
Habit | Plants perennial, taprooted; caudex short-branching. | Plants annual, taproot fleshy. |
Stems | 1 or more from each rosette, 10–20 cm, bracts scattered proximally, ovate-lanceolate, scarious. |
spreading or ascending, 7–25 cm. |
Leaves | basal, in loose rosettes; blade elliptic-lanceolate to ovate or oblanceolate, narrowing to broad petiole, 6–15 cm. |
cauline, not forming basal rosettes; blade ovate to obovate or spatulate, flattened, 1–6 cm, glaucous. |
Inflorescences | racemose, 1–5(–8)-flowered. |
paniculate, loose, usually exceeding leaves. |
Flowers | pedicellate; sepals broadly ovate, 9–10 mm, scarious; petals 7–9(–12), salmon-pink to yellowish, rarely white, 25–40 mm; stamens 10–23, anther yellow; style present; stigmas 3; pedicel 20–60 mm. |
pedicellate; sepals ovate-orbiculate, slightly unequal, 3–5 mm, herbaceous, glaucous; petals disarticulate in fruit, usually 5, red-purple, 3–6 mm; stamens usually 5, anther yellow; style present; stigmas 3; pedicel 5–15 mm. |
Capsules | ovoid, 7–10 mm, dehiscence circumscissile near base; valves 3–4, splitting from base toward apex. |
ovoid, usually longer than calyx at maturity, 5–8 mm; valves 3. |
Seeds | 12–35, dark brownish red, suborbicular to reniform, 2 mm, not shiny, warty, strophiolate. |
20–40, dull gray, ellipsoid, 0.5–1 mm, white-hairy at 30x, strophiolate. |
2n | = 46, 92. |
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Cistanthe tweedyi |
Cistanthe maritima |
|
Phenology | Flowering May–Jul. | Flowering Mar–Apr. |
Habitat | Well-drained granitic talus slopes and ledges, often in ponderosa pine duff | Sandy places near sea bluffs |
Elevation | 600-2200 m (2000-7200 ft) | 0-300 m (0-1000 ft) |
Distribution |
WA; BC
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CA; Mexico (Baja California)
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Discussion | Of conservation concern. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Cistanthe maritima is threatened in California by habitat destruction (J. P. Smith Jr. 1984). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 4, p. 464. | FNA vol. 4, p. 462. |
Parent taxa | Portulacaceae > Cistanthe | Portulacaceae > Cistanthe |
Sibling taxa | ||
Synonyms | Calandrinia tweedyi, Lewisia tweedyi, Lewisiopsis tweedyi | Calandrinia maritima |
Name authority | (A. Gray) Hershkovitz: Phytologia 68: 268. (1990) | (Nuttall) Carolin ex Hershkovitz: Phytologia 68: 269. (1990) |
Web links |