Sonoita Noseburn (Tragia laciniata)
Description
Subshrubs, 2.5-5 dm. Stems erect to decumbent, dark green, apex never flexuous. Leaves usually 3-foliolate, sometimes 3-lobed nearly to base; petiole 7-18 mm; leaflets: blade lanceolate, base acute, margins deeply and coarsely serrate, sinuses often extending 1/2+ to midvein, apex acute, central one 2.5-4 - 1-2 cm, lateral ones often with basal lobe. Inflorescences terminal (often appearing leaf opposed), glands absent, staminate flowers 10-20 per raceme; staminate bracts 0.5-1.5 mm. Pedicels: staminate 0.8-1.6 mm, persistent base 0.3-0.7 mm; pistillate 2.5-3 mm in fruit. Staminate flowers: sepals 3-4, green, 1-1.4 mm; stamens 3, filaments 3.5-4 mm. Pistillate flowers: sepals lanceolate, 2-3 mm; styles connate 1/4-1/2 length; stigmas undulate to subpapillate. Capsules 6-7 mm wide. Seeds dark brown, 3-3.2 mm. Flowering summer-fall; fruiting late summer-fall. Oak woodlands, ravines, stream banks; 1200-1700 m; Ariz.; Mexico (Chihuahua, Sonora).
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: Malpighiales
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Family: Euphorbiaceae
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Genus: Tragia
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