Mentzelia humilis var. guadalupensis

Spellenberg

Sida 18: 995, fig. 2. 1999.

Common names: Guadalupe Mountain blazingstar
Endemic
Treatment appears in FNA Volume 12. Treatment on page 503.
Revision as of 19:57, 16 December 2019 by FNA>Volume Importer

Leaf blades: widest intersinus distance 1.6–9.1 mm (always on some leaves greater than 2.6 mm); proximal spatulate to elliptic, margins pinnate, lobes 4–14, 2.5–6(–8.4) × (1.1–)2.9–5.1 mm; distal elliptic, lanceolate, or spatulate, margins pinnate, lobes 4–10, 2.8–6 × 1.1–4 mm. Flowers: petals 10.3–13(–28.6) × 1.6–2.3(–4) mm, 5 outermost stamens narrowly spatulate, 8.8–11(–23.3) × 1–1.4(–1.9) mm. Seed coat: papillae 6–9 per cell.


Phenology: Flowering Jul–Sep.
Habitat: Sparsely vegetated knolls, gypsum clay substrates.
Elevation: 1400–1600 m.

Discussion

Variety guadalupensis is distributed along the west side of the Guadalupe Mountains in Eddy and Otero counties.

Selected References

None.

Lower Taxa

None.
John J. Schenk +  and Larry Hufford +
Spellenberg +
Mentzelia pumila var. humilis +
Guadalupe Mountain blazingstar +
1400–1600 m. +
Sparsely vegetated knolls, gypsum clay substrates. +
Flowering Jul–Sep. +
Nuttallia humilis +  and Touterea humilis +
Mentzelia humilis var. guadalupensis +
Mentzelia humilis +
variety +