An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 34 ASCLEPIADACEAE. Vol. III. 3. ACERATES Ell. Bot. S. C. & Ga. i: 316. 1817. Perennial herbs, similar to Asclcpias, with alternate or opposite thick leaves, and greenor purplish flowers in terminal or axillary and short-peduncled or sessile umbels. or 5-divided, the segments acute, glandular within. Corolla deeply S-cleft, the seg-ments valvate, reflexed in anth
An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 34 ASCLEPIADACEAE. Vol. III. 3. ACERATES Ell. Bot. S. C. & Ga. i: 316. 1817. Perennial herbs, similar to Asclcpias, with alternate or opposite thick leaves, and greenor purplish flowers in terminal or axillary and short-peduncled or sessile umbels. or 5-divided, the segments acute, glandular within. Corolla deeply S-cleft, the seg-ments valvate, reflexed in anthesis. Corona-column very short. Corona of 5 involute-concaveor somewhat pitcher-shaped hoods, neither horned nor crested within or in one species havinga small interior crest and usually a few small processes at the base of the anther-wings,forming an obscure inner crown. Pollen-masses solitary in each sac, oblong, 5-lobed. [Greek, without horn, referring to the crown.] About 7 species, natives of North America. Type species: Acerates longifoUa ( sessile, or very nearly so, mostly axillary. Leaves oval to linear ; hoods entire at the apex. i. A. viridiflora. Leaves narrowly
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
