Lindheimer'S Blazingstar (Mentzelia lindheimeri)
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
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Domain: Eukarya
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Kingdom: Plantae
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Phylum: Magnoliophyta
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Class: Magnoliopsida
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Order: Cornales
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Family: Loasaceae
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Genus: Mentzelia
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