Heterotheca villosa var. sierrablancensis

Heterotheca villosa var. sierrablancensis Semple is native to mid to higher elevations in the White Mts. of New Mexico.  The variety has ovate-oblong, moderately densely strigose and sparsely to moderately densely glandular leaves. Nesom (2020) treated it as a separate species H. sierrablancensis (Semple) Nesom and considered it to be closely related to H. hirsutissima (Greene) Nesom that was treated by Semple (1996) as H. villosa var. nana. Species status might be justified pending further polygenomic DNA research.

Heterotheca villosa var sierrablancensis fig-49 semple 1996

Last revised 8 May 2025 by J.C. Semple

© 2025 J.C. Semple, including all photographs unless otherwise indicated

Heterotheca villosa sierrablancensis S 10513 Type habitat
Heterotheca villosa var. sierrablancensis (NM. Lincoln Co., type locale)
Heterotheca villosa var. sierrablancensis flowering shoot (NM. Lincoln Co., type locale)
Heterotheca villosa var sierrablancensis map Fig 40 Semple (1996)

1-4. Heterotheca villosa var. sierrablancensis. 1. Habitat and plants, type collection, Semple & B. Semple 10513, Lincoln Co., New Mexico. 2. Habit, S & S 10513. 3. Upper stem and heads S & S 10513. 4. Distribution, Fig. 40 Semple (1996).