Chorizanthe cuspidata |
Chorizanthe pungens |
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San Francisco spineflower |
Monterey spineflower |
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Habit | Plants decumbent to prostrate or ascending, 0.5–2(–2.5) × 0.5–10 dm, villous. | Plants prostrate to ascending or erect, 0.5–2(–2.5) × 0.5–10 dm, grayish-villous. | ||||||||
Leaves | basal; petiole (0.5–)1–3 cm; blade oblanceolate, (0.5–)1–5 × (0.3–)0.4–0.7(–1) cm, villous. |
basal; petiole (0.5–)1–3(–4) cm; blade oblanceolate, (0.5–)1–5(–7) × (0.3–)0.4–0.7(–1) cm, villous. |
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Inflorescences | rather dense with secondary branches suppressed, greenish to reddish; bracts 2, similar to proximal leaf blades only reduced, short-petiolate, becoming narrowly elliptic to linear-lanceolate and aciculate at distal nodes, acerose, 0.5–5 cm × 2–7 mm, awns 0.5–1.2 mm. |
rather dense with secondary branches suppressed, grayish; bracts 2, similar to leaf blades at proximal nodes only reduced, short-petiolate, becoming linear and aciculate at distal nodes, acerose, 0.5–7 cm × 2–7 mm, awns 0.5–1.2 mm. |
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Involucres | 1, greenish, cylindric, often ventricose basally, 1–3 mm, without scarious margins or if so then white to pink, thin, and restricted to basal portions of teeth, corrugate, villous abaxially; teeth spreading, equal, 0.5–2 mm; awns uncinate or straight with longer ones 2–3 mm and anterior one mostly 2.5–3 mm, these alternating with shorter 1–1.5(–1.7) mm ones. |
1, grayish, cylindric, often ventricose basally, 2–2.5(–3) mm, with distinct, white to pink or purple, scarious margins extending nearly full length of awn, corrugate, villous abaxially; teeth spreading, equal, 0.5–1.5 mm; awns uncinate with longer ones 2–3 mm and alternating with shorter (1–1.5 mm) ones. |
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Flowers | included to slightly exserted; perianth bicolored with floral tube white and tepals white to rose, cylindric, 2–3 mm, pubescent abaxially; tepals connate less than 1/4 their length, monomorphic, oblong, truncate to 3-lobed and distinctly cuspidate apically; stamens 9, slightly exserted; filaments distinct, 2–3 mm, glabrous; anthers cream to rose, narrowly oblong, 0.3–0.4 mm. |
exserted; perianth bicolored with floral tube white and tepals white to rose, cylindric, 2–3.5 mm, pubescent abaxially; tepals connate less than 1/4 their length, monomorphic, obovate to oblong, acute to truncate and erose apically; stamens 9, slightly exserted; filaments distinct, 2–3 mm, glabrous; anthers cream to rose, ovate, 0.3–0.4 mm. |
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Achenes | light brown, globose-lenticular, 2–3 mm. |
dark brown, globose-lenticular, 2–2.5 mm. |
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Chorizanthe cuspidata |
Chorizanthe pungens |
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Distribution |
CA
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CA
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 5, p. 454. | FNA vol. 5, p. 453. | ||||||||
Parent taxa | Polygonaceae > subfam. Eriogonoideae > Chorizanthe > subg. Amphietes > sect. Ptelosepala | Polygonaceae > subfam. Eriogonoideae > Chorizanthe > subg. Amphietes > sect. Ptelosepala | ||||||||
Sibling taxa | ||||||||||
Subordinate taxa | ||||||||||
Synonyms | C. pungens var. cuspidata | |||||||||
Name authority | S. Watson: Proc. Amer. Acad. Arts 17: 379. (1882) | Bentham: Trans. Linn. Soc. London 17: 419, plate 19, fig. 2. (1836) | ||||||||
Web links |