. 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 102d meridian. Botany; Botany. Genus 47. PEA FAMILY. 421 47. DOLICHOLUS Medic. Vorles. Chur. Phys. Gesell. 2: 354. 1787. [Rhynchosia Lour. Fl. Cochin. 562. 1793.] Perennial twining, trailing or erect herbs, with pinnately 1-3-foliolate leaves, and yellow mostly axillary and racemose flowers. Leaflets generally punctate with resinous dots, not stipellate. Calyx 4-S-lobed, somewhat 2-lipped. S
. 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 102d meridian. Botany; Botany. Genus 47. PEA FAMILY. 421 47. DOLICHOLUS Medic. Vorles. Chur. Phys. Gesell. 2: 354. 1787. [Rhynchosia Lour. Fl. Cochin. 562. 1793.] Perennial twining, trailing or erect herbs, with pinnately 1-3-foliolate leaves, and yellow mostly axillary and racemose flowers. Leaflets generally punctate with resinous dots, not stipellate. Calyx 4-S-lobed, somewhat 2-lipped. Standard obovate or orbicular, spreading or reflexed. Wings narrow. Keel incurved at the apex or falcate. Stamens diadelphous (pandi). Ovary nearly sessile; ovules 2, rarely i; style filiform. Pod flat, oblong or obliquely orbicular, 2-vaIved, 1-2-seeded. [Name diminutive of Dolichos.] About 200 species, natives of warm and temperate regions. In addition to the following, some 12 others occur in the southern States. Type species: Dolicholus minimus (L.) Medic. Leaflets 3. Stem twining or trailing. Racemes shorter than the leaves ; flowers $"-4" long. Racemes longer than the leaves ; flowers about 6" long. Stem erect, i°-2^° high. Leaflets solitary . very broad ; plants low, 3'-9' high. 1. D. ionientosns. 2. D. latifolius. 3. D. erectus. 4. D. I. Dolicholus tomentosus (L.) Vail. Twin- ing Dolicholus. Fig. 2642. Glycine tomentosa L. Sp. PI. 754. 1753. Rhynchosia tomentosa var. volubilis T. & G. Fl. N. A. 1:285. 1838. Rhynchosia tomentosa H. & A. Comp. Bot. Mag. i : 23. 1835- D. tomentosus Vail, Bull. Torr. Club 26: 112. 1899. Trailing or twining, more or less pubescent with spreading hairs, simple or branched, i°-3° long. Stipules ovate, acute, 2"-4" long, sometimes want- ing ; petioles shorter than the leaves; leaflets 3, or the lowest leaves i-foliolate, ovate, orbicular or broader than long, obtuse but generally pointed, 1-
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
