Description
provided by eFloras
Leaves: petioles 2–20 mm; blades 5–20 × 5–15 mm overall, lobes 1–1.5 mm wide. Peduncles 0.5–5+ mm. Involucres 2–5+ mm high. Phyllaries: outer 3 ± scabrellous, inner scarious to membranous. Paleae 1.5–2 mm. Pistillate florets: corollas 0.5–1+ mm, ± strigillose. Functionally staminate florets: corollas 1.5–2 mm. Cypselae 1.5–2 mm.
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- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Synonym
provided by eFloras
Iva nevadensis M. E. Jones, Amer. Naturalist 17: 973. 1883; Euphrosyne nevadensis (M. E. Jones) Panero
- license
- cc-by-nc-sa-3.0
- copyright
- Missouri Botanical Garden, 4344 Shaw Boulevard, St. Louis, MO, 63110 USA
Comprehensive Description
provided by North American Flora
Chorisiva nevadensis (M. E. Jones) Rydberg
Iva nevadensis M. K. Jones, Am. Nat. 17: 973. 1883.
A low diffusely branched annual, with a stout tap-root; stems 1-2 dm. high, hirsutulous; leaves obovate in outline, pinnately 3-7-parted, 1-2 cm. long, cinereous-hispidulous; lobes ovate or obovate, obtuse; involucre hemispheric, about 2 mm. broad; bracts 3, hispidulouscanescent, ovate with oblong obtuse foliaceous tips; staminate flowers 8-10; corolla villous, funnelform; pistillate flowers usually 3; corolla-tube truncate, villous; achenes 2 mm. long, obovate.
Type locality: Hawthorn, Nevada.
Distribution: Deserts, Nevada.
- bibliographic citation
- Per Axel, Rydberg. 1922. CARDUALES; AMBROSIACEAE, CARDUACEAE. North American flora. vol 33(1). New York Botanical Garden, New York, NY
