. 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 . 8. Petalostemum villosum Nutt. Hairy or Silky Prairie-clover. Fig. 2519. Pelaloslcmon villosus Xutt. Gen. 2: 85. 1818. Dalea villosa Spreng. Syst. Veg. 3: 326. 1826. " ' â illosa Kuntze, Rev. Gen. PI. 192. 1891. Kuhnistera Ascending or decumbent from a deep root, branching at the base, densely villous or silky- pubescent all over, i°-2° high. Leaves short- petioled or
. 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 . 8. Petalostemum villosum Nutt. Hairy or Silky Prairie-clover. Fig. 2519. Pelaloslcmon villosus Xutt. Gen. 2: 85. 1818. Dalea villosa Spreng. Syst. Veg. 3: 326. 1826. " ' â illosa Kuntze, Rev. Gen. PI. 192. 1891. Kuhnistera Ascending or decumbent from a deep root, branching at the base, densely villous or silky- pubescent all over, i°-2° high. Leaves short- petioled or nearly sessile; leaflets 9-1", approxi- mate, linear-oblong or slightly oblanceolate, acute or obtuse and often aristate at the apex, nar- rowed at the base, 3"-s" long, i"-2" wide; spikes terminal, clustered or solitary, short-peduncled, cylindric, 1-4*' long, $"-6" thick, very dense; bracts lanceolate, acuminate, exceeding the dense- ly villous calyx; corolla rose-purple or rarely white, standard oblong; wings and keel-petals oblong-obovate. Prairies and sandy plains. Wisconsin to Sas- katchewan, Missouri. Texas and Colorado. Aug. 20. INDIGOFERA L. Sp. PI. 751 [753- Herbs, or rarely shrubs, often canescent with hairs affixed by the middle, with odd-pinnate leaves, small stipules, and pink or purple spicate or racemose flowers. Calyx-teeth oblique, nearly equal, or the lower longer. Standard ovate or orbicular, sessile or clawed; wings oblong; keel erect, somewhat gibbous, or spurred Stamens mainly monadelphous; antliers all alike. Ovary sessile or nearly so. i-oo-ovuled; style slender. Pod linear, 4-angled (in our species), septate between the seeds. [Name from the yield of indigo by some species.] About 275 species, natives of warm and temperate regions. In addition to the following, some 7 others occur in the southern and southwestern United States. Type species : fndigofera tincloria L.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
