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Key to families | Table of families and genera

Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.

 

EUPHROSYNE

Bruce G. Baldwin


Annual to shrub, 5–200 cm. Stem: erect, simple or branched. Leaf: cauline, generally alternate [opposite], petioled or ± sessile, blade (ob)lanceolate or oval to (ob)ovate or deltate, 1–3-pinnately lobed or dissected, or distal entire, minutely scabrous or strigose to silky-hairy [woolly], generally gland-dotted. Inflorescence: heads disciform [discoid], 1, in tight groups, or in panicle-like clusters; involucre obconic to bell-shaped or ± hemispheric, 2–5+ mm diam; phyllaries 3–15+ in 1–3 series, free, persistent, outer 3–5 green, the rest scarious to membranous; receptacle convex [conic]; paleae bristle-like or linear to spatula- or wedge-shaped [0], ± membranous. Pistillate flower: [0]2–8; corolla 0 or cylindric, ± yellow [± white]. Disk flower: 5–25+, staminate; corolla funnel-shaped, ± white or ± yellow, lobes erect or curved inward; filaments fused, anthers free or weakly fused; style tip ± flared, truncate. Fruit: obovoid [or pear-shaped], ± compressed front-to-back, smooth or warty, glabrous or ± densely long-hairy [minutely hairy], sparsely or not gland-dotted in California; pappus 0 or a minute crown.
5 species: North America. (Greek: one of the three Graces) [Panero 2006 Fam Generally Vasc Plant 8:445; Strother 2006 FNANM 21:29, 31–32]
Unabridged references: [Miao et al. 1995 Amer J Bot 82:919–923; Panero 2005 Phytologia 87:13]

Key to Euphrosyne

1. Subshrub or shrub, 50–200 cm; branches wand-like; leaf blade generally 20–150 mm; fruit densely long-soft-hairy, sparsely or not gland-dotted ..... E. acerosa

1' Annual 5–25(40) cm; branches diffuse; leaf blade 5–20 mm; fruit glabrous or sparsely hairy, not gland-dotted ..... E. nevadensis

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Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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