Difference between revisions of "Mentzelia memorabilis"
Syst. Bot. 27: 753, fig. 4. 2002. (as memorabalis)
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|genus=Mentzelia | |genus=Mentzelia | ||
|section=Mentzelia sect. Bartonia | |section=Mentzelia sect. Bartonia | ||
Latest revision as of 19:19, 5 November 2020
Plants perennial, bushlike, with subterranean caudices. Stems multiple, erect, straight; branches distal, distal longest, antrorse, straight; hairy. Leaves: blade 17–36.6 × 1.1–4.8 mm, widest intersinus distance 1.1–4.8 mm; proximal linear to oblanceolate, margins entire; distal linear, base not clasping, margins entire; abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with simple grappling-hook and needlelike trichomes. Bracts: margins entire. Flowers: petals golden yellow, 7.4–11 × 2.6–3.4 mm, apex rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 5.5–9.1 × 1.4–2.7 mm, with anthers, second whorl with anthers; anthers twisted or straight after dehiscence, epidermis smooth; styles 4.8–8 mm. Capsules cup-shaped, 3.6–5.3 × 3.1–4.2 mm, base rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls straight, papillae 6–10 per cell.
Phenology: Flowering Jun–Sep.
Habitat: Barren gypsum-clay outcrops and hilltops.
Elevation: 1400–1700 m.
Discussion
Mentzelia memorabilis occurs on the Uinkaret Plateau in Mohave County.
Selected References
None.