Difference between revisions of "Acamptopappus sphaerocephalus"

(Harvey & A. Gray) A. Gray

Proc. Amer. Acad. Arts 8: 634. 1873.

Common names: Rayless goldenhead
Basionym: Haplopappus sphaerocephalus Harvey & A. Gray Mem. Amer. Acad. Arts, n. s. 4: 76. 1849 (as Aplopappus)
Treatment appears in FNA Volume 20. Treatment on page 185.
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Revision as of 23:51, 13 August 2020

Leaf faces glabrous or hirtellous. Heads in loose, corymbiform arrays. Involucres hemispheric to globose, 7–10 mm wide. Rays 0.


Varieties 2 (2 in the flora).

The two varieties were mapped as geographically intermingling in southern California (M. A. Lane 1988). Considerable variation in expression of vestiture occurs in the area where the hirtellous-leaved plants grow and identifications should be recognized as arbitrary.

Selected References



1 Leaf margins and faces hirtellous Acamptopappus sphaerocephalus var. hirtellus
1 Leaf margins and faces glabrous, or margins sometimes hirtellous Acamptopappus sphaerocephalus var. sphaerocephalus