An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 476. EUPHORBIACEAE. 17. POINSETTIA Graham, Edinb. N. Phil. Journ. 20: 412. 1836. Annual or perennial herbs or shrubby plants, with green or partially, often more highly colored, foliage. Stems simple or branched, often irregularly so. Leaves alternate below, opposite above, similar throughout or very variable; stipu
An illustrated flora of the 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 ed2illustratedflo02brit Year: 1913 476. EUPHORBIACEAE. 17. POINSETTIA Graham, Edinb. N. Phil. Journ. 20: 412. 1836. Annual or perennial herbs or shrubby plants, with green or partially, often more highly colored, foliage. Stems simple or branched, often irregularly so. Leaves alternate below, opposite above, similar throughout or very variable; stipules gland-like. Involucres in axil- lary or terminal cymes or solitary; lobes fimbriate. Glands fleshy, solitary, or rarely 3 or 4, sessile or short-stalked, without appendages, the missing ones represented by narrow lobes. Capsule e-xserted, the lobes rounded. Seed narrowed upward, tuberculate, without a caruncle or with a minute one only. [In honor of Joel Roberts Poinsette, of South Carolina.] aostly ves of tropical An Type species : I'oinsetlia ftilchcr Lea Glands â olucre stalked; leaves nearly or quiti or linear-lanceolate ; seeds narrowly ;; seeds broadly ves various. : uniform. ovoid, not prominently tuberculate. 1. Old, prominently tuberculate. 2. P. dentala. 3. P. heterophylla. Poinsettia cuphosperma (^Engelm.) Small. Warty Spurge. Fig. 2766. phosperma Engelm. DC. Prodi 1859. ma Boiss. Euphorbia cuphospe 2, 73. 1862. Poinsettia cuphosperma Small, Fl. SE. U. S. 721. 1903- Annual, usually sparingly pubescent. Stem erect, slender, simple, or sparingly branched, 8-15' high. Leaves opposite or alternate, linear, oblong, or Hnear- lanceolate, io'-3' long, entire, undulate, or denticu- late, narrowed into a slender petiole; involucres crowded at the ends of the branches, nearly sessile, glabrous, or nearly so, nearly 2' long, bearing about 4 long-stalked unappendaged glands; capsule gla- brous, or sparingly pubescent, 2i' in diameter, seeds narrowly ovoid,
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