Mentzelia puberula J.Darl.

국표에 없다.

Common names: Pubescent blazingstar

Illustrated

Treatment appears in FNA Volume 12. Treatment on page 514. Mentioned on page 501.

Illustrator: Linny Heagy

Copyright: Flora of North America Association

Plants perennial, bushlike, with subterranean caudices. Stems multiple, erect or decumbent, straight; branches along entire stem, distal longest, antrorse, upcurved; hairy. Leaves: blade 18.8–62.7 × 11–36 mm, widest intersinus distance 8.9–28.8 mm; proximal broadly elliptic to obovate, margins dentate to serrate, teeth 8–12, slightly antrorse or perpendicular to leaf axis, 1–4 × 1.7–6 mm; distal ovate or obovate, base not clasping, margins dentate to serrate, teeth 6–12, slightly antrorse or perpendicular to leaf axis, 1–3.5 mm; abaxial surface with complex grappling-hook trichomes, adaxial surface with needlelike trichomes. Bracts: margins entire. Flowers: petals golden yellow, 6.7–9.5(–12.6) × 2.3–5.8 mm, apex rounded, glabrous abaxially; stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 5.4–9.2(–11) × 1.3–2.7 mm, with anthers, second whorl with anthers; anthers twisted after dehiscence, epidermis smooth; styles 4.1–6.8(–9) mm. Capsules cup-shaped, 5–9.8 × 5–8 mm, base rounded, not longitudinally ridged. Seeds: coat anticlinal cell walls straight, papillae 3–5 per cell. 2n = 20, 22.

Mentzelia puberula - FNA (floranorthamerica.org)

https://youtu.be/5hZjHS2SDLE