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 . (Torr.) Raf. Broad-leaved ^lilkweed. Fig. 3391. Asclepias obtusifolia var. latifolia Torr. Ann. Lye. X. : 117. 1S26. Asclepias latifolia Raf. Atl. Journ. 146. 1832-33. A. Jatnesii Torr. Bot. Mex. Bound. Surv. 162. 1859. Minutely puberulent wnen young, glabrous whenold; stem stout, usually simple, i°-2h° high, veryleafy. Leaves very thick, oval to orI)icular, sessileor nearl
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 . (Torr.) Raf. Broad-leaved ^lilkweed. Fig. 3391. Asclepias obtusifolia var. latifolia Torr. Ann. Lye. X. : 117. 1S26. Asclepias latifolia Raf. Atl. Journ. 146. 1832-33. A. Jatnesii Torr. Bot. Mex. Bound. Surv. 162. 1859. Minutely puberulent wnen young, glabrous whenold; stem stout, usually simple, i°-2h° high, veryleafy. Leaves very thick, oval to orI)icular, sessileor nearly so, commonly broadly emarginate andmucronulate at the apex and cordate or subcordateat the base, 4-6 long and nearly as wide, primarynerves very wide-spreading; umbels 2-4, many-flowered, short-pedunclcd in the upper axils or rarelyterminal; pedicels slender, canescent, nearly i long;corolla-segments ovate, acute, 4-6 long, greenish;column short and thick; hoods truncate, about equal-ling the anthers, the horn projecting from a shortcrest over the edge of the stigma; follicles erect ondeflexed pedicels, ovoid, acutish, 2-3 long, about ithick. On dry plains, Nebraska to Colorado, Texas and Ari-zona. 28 ASCLEPIADACEAE. Vol. 111. 10. Asclepias amplexicaulis J. E. Smith. Blunt-leaved jMilkweed. Fig. 3392.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
