Acanthoscyphus parishii

(Parry) Small

Bull. Torrey Bot. Club 25: 53. 1898

Basionyms: Oxytheca parishii Parry
Treatment appears in FNA Volume 5. Treatment on page 438.
Plants (0.5–)1–6 × 0.5–4 dm. Leaf blades 1–7 × 0.5–2 cm. Inflorescences 1–5 dm; bracts 1–4(–10) × 0.5–3 mm, awns 0.2–1.5 mm. Peduncles (0.3–)1–5(–7.5) cm. Involucres 1.5–2 mm, awns ivory or reddish, 2–5 mm. Flowers: perianth 2–2.5 mm; filaments 2–2.5 mm; anthers 0.3–0.6 mm. Achenes 1.7–2 mm.

Discussion

Varieties 4 (4 in the flora).

References

None.

Key

1 Involucral awns 7-16, dark red, 3-4 mm; San Rafael Mountains, Topatopa Mountain, and Mount Pinos, Santa Barbara and Ventura counties, California Acanthoscyphus parishii var. abramsii
1 Involucral awns 4-36, ivory colored, 2-5 mm; San Bernardino and Ventura counties > 2
2 Involucral awns 4(-5), 2-3 mm; ne side of San Bernardino Mountains, San Bernardino County, California Acanthoscyphus parishii var. goodmaniana
2 Involucral awns 7-30(-36), 3-5 mm; se side of e San Bernardino County, and Ventura County, California > 3
3 Involucral awns (10-)13-30(-36); inflorescence bracts triangular, awns 0.2-0.5 mm; Pine Mountain, Ventura County, e to c San Bernardino Mountains, San Bernardino County, California Acanthoscyphus parishii var. parishii
3 Involucral awns 7-10; inflorescence bracts subulate, awns 0.5-1.5 mm; se side of e San Bernardino Mountains, San Bernardino County, California Acanthoscyphus parishii var. cienegensis