treatments/Trixis californica var. californica

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Trixis californica   var. californica {{{authority}}} {{{publication_title}}} {{{place_in_publication}}}



Plants 20–200 cm. Leaves usually ascending, almost parallel with stems; petioles winged, 1.5–5 mm; blades linear-lanceolate to lance-olate, 2–11 cm, bases acute, margins entire or denticulate (often revolute), apices acute, in-duments: abaxial faces glandular-puberulent and sparsely strigose (sometimes only on veins), adaxial faces glandular and strigose to pilose; stomates on both faces. Heads usually in corymbiform or paniculiform arrays, rarely borne singly. Peduncles 5–45 mm, often ± inflated distally. Calyculi of 5–7 linear to lanceolate or ovate bractlets 5–16 mm. Phyllaries usually 8, linear, 8–14 mm, apices acute. Florets 11–25; corolla tubes 6–9 mm, outer lips 5–8 mm, inner 4–5.5 mm. Cypselae 6–10.5 mm, papilla-like double hairs producing mucilage when wetted; pappi 7.5–12 mm. 2n = 54.

Flowering Jan–Nov. dry , rocky slopes , washes , desert flats , thorn scrub ;200–1600(–2200) m;Ariz.; Calif.; N.Mex.; Tex.;Mexico (Baja California).; Mexico (Baja California Sur).; Mexico (Chihuahua).; Mexico (Coahuila).; Mexico (Durango).; Mexico (Nuevo León).; Mexico (San Luis Potosí).; Mexico (Sinaloa).; Mexico (Sonora).; Mexico (Tamaulipas).; Mexico (Zacatecas).;