Lindheimer'S Blazingstar

(Mentzelia lindheimeri)

galery

Description

Plants perennial, with caudices. Stems erect to decumbent or clambering, to 50 cm. Leaves: petiole to 35 mm; blade usually hastate to ovate, sometimes smallest distal elliptic, basally lobed or unlobed, to 12 - 7.5 cm, base truncate to obtusely cuneate, margins serrate, dentate, or crenulate, apex acute. Pedicels (fruiting) 1-5 - less than 1 mm. Flowers: petals yellow to orange, 6.5-17 - 4-9.5 mm, apex cuspidate, hairy on apex and abaxially near apex; stamens (10-)20-45, 5-12(-20) mm, filaments monomorphic, filiform; style 3.5-13 mm. Capsules usually clavate to funnelform, sometimes slightly ovoid, 8-18 - 3.3-4.5 mm, base rounded or cuneate, capsule and pedicel well-differentiated. Seeds (4-)5-10 per capsule, pyriform, without transverse folds. 2N = 20. Flowering Feb-Nov. Sand flats, dunes, coastal mud flats, limestone gravels or faces; 10-130(-2000) m; Tex.

Taxonomic tree:

Domain:
Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Order:Cornales
Family:Loasaceae
Genus:Mentzelia
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