Flytrap Dogbane

Apocynum androsaemifolium I^. Sp. PI. ed. 2. 311. 1762
Apocynumfol. androsaemi L. Sp. PI. 213. 1753.
Apocynum muscipulum Moench, Meth. 464. 1794.
Apocynum androsaemifolium var. incanum A. DC. in DC. Prodr. 8: 439. 1844.
Apocynum androsaemifolium i. pauciflora Peck, Ann. Rep. N. Y. State Mus. 47: 158. 1894.
Apocynum silvaticum Greene, Leaflets 2: 179. 1912.
Apocynum androsaemifolium var. puberulum B6g. & Bel. Mem. Acqad. Lincei V. 9: 671. 1913.
Cynopaema androsaemifolium Lunell, Am. Midi. Nat. 4: 509. 1916.
Stems erect or ascending, 2-5 dm. tall, glabrous, freely and rather dichotomously branched, the branches alternate or subalternate ; leaves petiolate, drooping, ovate to oblong-lanceolate, 2-10 cm. long, 1-6 cm. broad, glabrous or rarely sparsely pilosulous above, sparsely pilosulous to densely tomentulose beneath, or rarely glabrous or glabrate; calyx-lobes ovate to ovatelanceolate, 2-5 mm. long, glabrous, or rarely minutely pilosulous; corolla campanulate, 5-12 mm. long, the lobes white, usually with pinkish veins, widely spreading or reflexed, glabrous externally; follicles 6-15 cm. long, pendulous at maturity.
Type IvOCality: Canada.
Distribution: Newfoundland to British Columbia, and southward to Georgia and Arizona.