Cistanthe parryi |
Cistanthe umbellata |
|
---|---|---|
Parry's pussypaws |
Mt. Hood pussypaws |
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Habit | Plants annual, taprooted. | Plants perennial, taprooted; caudex branching. |
Stems | 2 or more from each rosette, spreading to ascending, 2–11 cm. |
1 from each rosette, ascending to erect, to 60 cm. |
Leaves | basal and cauline; basal in single, prostrate rosette; blade spatulate, 1–3 cm. |
basal in 2–many prostrate rosettes, blade spatulate, (0.5–)2–7(–15) cm; cauline leaves usually absent. |
Inflorescences | paniculate or racemose scorpioid cymes, becoming secund, open to dense. |
umbellate or subumbellate, dense, globose, 1–2 cm diam. |
Flowers | subsessile; sepals ovate, orbiculate, or reniform, unequal, 2–5 mm, margins scarious; petals 3(–4), white or pinkish, 1.5–3 mm; stamens 1–3, anther yellow; style absent; stigmas 2. |
subsessile; sepals orbiculate, equal, 3–8 mm, scarious; petals 4, white, 3–8 mm; stamens 3, anther red or yellow; style exserted, filiform; stigmas 2. |
Capsules | ovoid to cylindric, 3–7 mm; valves 2. |
globose, 2–3 mm; valves 2. |
Seeds | 10–15, black, orbicular, 0.6–0.7 mm, shiny. |
1–8, black, orbicular-reniform, 0.7–1.2 mm, shiny. |
2n | = 44. |
= 44. |
Cistanthe parryi |
Cistanthe umbellata |
|
Phenology | Flowering Jun–Jul. | Flowering May–Oct. |
Habitat | Open, sandy areas, chaparral, woodlands | Dry sandy or gravelly soils |
Elevation | 700-3400 m (2300-11200 ft) | 1500-4300 m (4900-14100 ft) |
Distribution |
AZ; CA; Mexico (Baja California)
|
CA; ID; MT; NV; OR; UT; WA; WY; BC
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Discussion | Some authorities recognize varietal segregates in this species based on minor characters that appear to exhibit much variation from population to population; they are not treated in this account. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
|
Source | FNA vol. 4, p. 463. | FNA vol. 4, p. 464. |
Parent taxa | Portulacaceae > Cistanthe | Portulacaceae > Cistanthe |
Sibling taxa | ||
Synonyms | Calyptridium parryi, Calyptridium parryi subsp. nevadense, Calyptridium parryi var. arizonicum, Calyptridium parryi var. nevadense | Spraguea umbellata, Calyptridiumu mbellatum, Calyptridiumu umbellatum var. caudiciferum, Spraguea umbellata var. caudicifera |
Name authority | (A. Gray) Hershkovitz: Phytologia 68: 268. (1990) | (Torrey) Hershkovitz: Phytologia 68: 268. (1990) |
Web links |
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