Peritoma lutea (Hooker) Rafinesque (redirected from: Cleome lutea)
Family: Cleomaceae
yellow spiderflower,  more...
[Cleome lutea Hook.,  more]
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Liz Makings  
Plant: annual, 2.5-13 dm, ± glabrous; Stem branched from upper nodes Leaves: 1-palmate, alternate; leaflets generally 5, 1.5-6 cm, linear to elliptic; petiole 5-45 mm INFLORESCENCE: raceme, terminal, generally 1-4 cm in flower, generally 5-40 cm in fruit; pedicels 4-20 mm Flowers: sepals fused in basal half, persistent, 1.6-2.6 mm, lanceolate, minutely dentate, yellow; petals 5-8 mm, oblong to ovate, yellow; stamens 10-20 mm, yellow, anthers 1.9-2.6 mm Fruit: 15-40 mm, 2-5 mm wide, ± round in transverse section, striate; receptacle 5-17 mm; Seeds 10-40 Misc: Dry, sandy flats, desert scrub, weedy roadsides; 1100-2400 m.; May-Aug References: Kearney & Peebles; Arizona Flora. McDougall; Seed plants of Northern Arizona. ASU specimans.
Duration: Annual Nativity: Native Lifeform: Forb/Herb General: Annual, 30-60 cm tall; stems erect, simple to branched; herbage mostly glabrous, glaucous; taprooted. Leaves: Mostly cauline, alternate, palmately 5-7 foliate, the leaflets oblong, oblanceolate, or lanceolate, 2-5 cm long, up to 1 cm wide, glabrous or nearly so, glaucous, margins entire; petioles 1-5 cm long, the upper blades nearly sessile. Flowers: Inflorescence spike-like, the flowers solitary, arising in the leaf axils, each subtended by a pair of bracts, the bracts tipped with a sharp, abrupt point; calyx segments 5, each with a prominent membranous wing; petals absent; flowers July-September. Fruits: Capsule, 1-4 cm long, arising on stipes 10-20 mm long; seeds ovoid to nearly orbicular, 2 mm long, brownish black or mottled with light gray. Ecology: Sparsely vegetated sites, hills, streambanks, disturbed habitats, pinyon-juniper and ponderosa pine communities; 600-2100 m (2000-7000 ft); Apache, Coconino, Gila, Graham, Greenlee, Maricopa, Mohave, Pima, Pinal, Santa Cruz, and Yavapai counties; western Notes: The Navajo use this plant to treat ant bites. Synonyms: Several, see Tropicos Editor: Springer et al. 2008
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David Thornburg  
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David Thornburg  
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David Thornburg  
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David Thornburg  
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Anthony Mendoza  
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Patrick Alexander  
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Patrick Alexander  
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Stephen Stern  
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. Eastern Nevada Landscape Coalition  
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