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 . CO ASCLEPIADACEAE. Vol. i6, Asclepias syriaca L. Common ]\Iilk-weed. Silkweed. Fig. 3398. Asclepias syriaca L. Sp. PI. 214. 1753. Asciepias Cornuti Dec. in DC. Prodr. 8: 564. 1844. Stem stout, usually simple, 3°-5° high, finehpubescent at least above. Leaves oblong, oval orovate, hneh and densely pubescent beneath, soonglabrous above, acute or obtuse and cuspidate atthe
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 . CO ASCLEPIADACEAE. Vol. i6, Asclepias syriaca L. Common ]\Iilk-weed. Silkweed. Fig. 3398. Asclepias syriaca L. Sp. PI. 214. 1753. Asciepias Cornuti Dec. in DC. Prodr. 8: 564. 1844. Stem stout, usually simple, 3°-5° high, finehpubescent at least above. Leaves oblong, oval orovate, hneh and densely pubescent beneath, soonglabrous above, acute or obtuse and cuspidate atthe apex, obtuse, narrowed or subcordate atthe base, 4-g long, 2-^^ wide, the primary nerveswide-spreading; petioles stout, 3-8 long; umbelsseveral or numerous ; peduncles pubescent or tomen-tose, 13-3* long; pedicels i-2long; corolla green-purple or greenish-white, its segments oblong-lan-ceolate, 3-4 long; column short and thick, thehoods ovate-lanceolate with a tooth on each side,longer than the anthers and the incurved horn; fol-licles 3-5 long, erect on recurved pedicels, tomen-tose and covered with short soft processes. In fields and waste places, New Brunswick to Sas-katchewan, North Carolina and Kansas. Leaves rarelylanceolate. Silky sw
Size: 1401px × 1784px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
