Trixis californica Kellogg  
Family: Asteraceae
American threefold,  more...
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Max Licher  
Shrubs [herbs], 20–300+ cm (often rhizomatous, stems hairy, hairs gland-tipped and glandless). Leaves cauline, usually ascending, almost parallel with stem; sessile or petiolate; blades elliptic, lanceolate, linear, or linear-lanceolate, bases cuneate, margins dentate or entire, faces (at least abaxial) usually glandular and ± strigose, stomates on both faces. Heads quasi-radiate (see florets), borne singly or in corymbiform or paniculiform arrays. Involucres ± cylindric, 12–15 mm (subtended by calyculi of 3–7 spreading or ascending bractlets). Phyllaries (reflexed in fruit) in 1–2 series, linear (± keeled), apices acute. Receptacles flat, smooth, hairy, epaleate. Florets 4–25[–60], bisexual, fertile; corollas yellow (aging white), zygomorphic (2-lipped; outer lip liguliform, lobes 3, lance-deltate, inner lip smaller, lobes ± filiform, recurved); anther basal appendages entire, apical appendages oblong, acute; style branches relatively short, apices truncate-penicillate. Cypselae subcylindric to fusiform, often ± beaked, ribs 5, faces glandular-hairy, papilla-like double hairs of cypselae producing mucilage when wettedpappi of 60–80+ dull white [tawny], finely barbed bristles. x = 9.
Plant: Shrub to 1m Leaves: leaves alternate, lanceolate, densely sessile-glandular beneath Flowers: flowers yellow, two-lipped, the outer lip 3-toothed, the inner lip 3-cleft; achene densely hispidulous, subrostrate, pappus of numerous straw-colored bristles. References: J.C. Hickman, ed. The Jepson Manual.L. Benson & R. Darrow. Trees and Shrubs of the Southwestern Deserts. W.B. McDougal. Seed plants of Northern Arizona. ASU specimens.
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Max Licher  
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Max Licher  
Trixis californica image
Max Licher  
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Max Licher  
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Max Licher  
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Max Licher  
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L.R. Landrum  
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Liz Makings  
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Patrick Alexander  
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Anthony Mendoza  
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Sue D. Carnahan  
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Sue Carnahan  
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Sue Carnahan  
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Sue Carnahan  
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Sue Carnahan  
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Anthony Mendoza  
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Anthony Mendoza  
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Anthony Mendoza  
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Cass Blodgett  
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Ries Lindley  
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Ries Lindley