Centromadia parryi

(Greene) Greene

Man. Bot. San Francisco, 197. 1894.

Basionym: Hemizonia parryi Greene Bull. Torrey Bot. Club 9: 16. 1882
Synonyms: Hemizonia pungens var. parryi (Greene) H. M. Hall
Treatment appears in FNA Volume 21. Treatment on page 278. Mentioned on page 276.

Plants 10–70 cm. Leaves glabrous, scabroso-hirtellous, ± hirsute to hirtellous, or villous, glandular or not, glands yellow. Involucres 2.5–10 mm. Anthers yellow, brownish, or purple. Pappi of 3–5 linear or subulate scales.

Discussion

Subspecies 4 (4 in the flora).

Selected References

None.

Key

1 Leaves villous or ± hirsute, coarsely stipitate-glandular; paleae sometimes with 2 purple lines (along inner edges of scarious margins); anthers reddish to dark purple Centromadia parryi subsp. australis
1 Leaves glabrous, scabroso-hirtellous, or ± hirsute to hirtellous, not villous, glandular or not; paleae lacking purple lines; anthers yellow or brownish > 2
2 Leaves scabroso-hirtellous (and usually ± hirsute or setose-ciliate), not glandular or glands minute, sparsely and irregularly distributed; involucres 3.5–5 mm; ray laminae 2–3 mm Centromadia parryi subsp. rudis
2 Leaves glabrous or hirsute to hirtellous, glandular or not; involucres 4–10 mm; ray laminae 2.5–5(–6) mm. > 3
3 Peduncular bracts seldom glandular (sometimes with yellowish, minute, stipitate glands among eglandular hairs); ray laminae 2.5–3(–4.5) mm Centromadia parryi subsp. congdonii
3 Peduncular bracts coarsely glandular (glands yellow, sessile or stipitate); ray laminae 3–5(–6) mm Centromadia parryi subsp. parryi