Parnassia cirrata |
Parnassia cirrata var. cirrata |
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Cascade grass-of-parnassus, San Bernardino grass of parnassus |
San Bernardino grass-of-parnassus |
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Habit | Herbs with caudices. | |||||
Stems | 15–40 cm. |
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Leaves | basal in rosettes; petiole 1–12 cm; blade (of larger leaves) ovate-orbiculate to elliptic-ovate, 15–60 × 7–50 mm, base cuneate, rounded, or weakly cordate, apex rounded; cauline usually on middle to distal 1/2 of stem, rarely absent. |
blade (of larger leaves) 7–25(–35) mm wide. |
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Flowers | sepals reflexed in fruit, elliptic or oblong-lanceolate to ovate, 4–7 mm, margins sometimes scarious, to 0.1 mm wide, usually entire, rarely minutely denticulate distally, apex rounded; petals 5–7-veined, oblanceolate to obovate or elliptic, 8–15 × 3.3–9.8 mm, length 2 times sepals, base cuneate, margins fimbriate proximally; stamens 6–9 mm; anthers 1.5–2.2 mm; staminodes scalelike proximally, distally divided into 5–15 gland-tipped filaments, 3.5–6 mm, shorter than stamens, apical glands globose, 0.2–0.4 mm; ovary green. |
sepals 1.8–2.6(–4) mm wide; larger petals 3.3–5.2(–7) mm wide, longer fimbriae (3.3–)3.5–6.5 mm. |
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Capsules | 10 mm. |
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Parnassia cirrata |
Parnassia cirrata var. cirrata |
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Phenology | Flowering summer. | |||||
Habitat | Marshes, wet meadows, streamsides. | |||||
Elevation | 1000–3000 m. (3300–9800 ft.) | |||||
Distribution |
CA; ID; NV; OR; WA; BC; nw Mexico
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CA; Mexico (Durango) |
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Variety cirrata occurs in the flora area only in the San Bernardino and San Gabriel mountains. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 12, p. 115. | FNA vol. 12, p. 116. | ||||
Parent taxa | Celastraceae > Parnassia | Celastraceae > Parnassia > Parnassia cirrata | ||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | Piper: Erythea 7: 128. (1899) | unknown | ||||
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