Chamaecrista ramosa var. ramosa

  • Title

    Chamaecrista ramosa var. ramosa

  • Author(s)

    Howard S. Irwin, Rupert C. Barneby

  • Scientific Name

    Chamaecrista ramosa (Vogel) H.S.Irwin & Barneby var. ramosa

  • Description

    2a. Chamaecrista ramosa (Vogel) Irwin & Barneby var. ramosa. C. ramosa Vogel, 1837, l.c.., sens. str.—"In Brasilia: Sellow legit inter Victoria [Espirito Santo] et Bahia [=Salvador]; in itinere a Minas ad S. Paulo; Luschnath pr. Bahia in campis pr. mare."—Lecto-isotypus (Irwin, 1964, p. 73): Sello s.n., K! = NY Neg. 1518.—Cassia uniflora Sprengel var. (ß) ramosa (Vogel) Bentham in Martius, Fl. Bras. 15(2): 158. 1870. C. uniflora var. parvifolia Bentham, Trans. Linn. Soc. 27: 568. 1871, nom. illegit. C. tetraphylla var. ramosa (Vogel) Amshoff, On S. Amer. Papilionaceae 27. 1939.

    Cassia savannensis Miquel, Ann. & Mag. Nat. Hist. 11: 15. im.— 'Hab. Surinami, locis arenosis, in Tooden-Savanna, prope fl. Suriname Sup . . ."—Holotypus Focke 454 U!- C. savannensis sensu Miquel, Stirp. Surinam, Select. 16 ("savanensis"). 1850—Equated by Bentham, 1871, p. 568, with C. uniflora var. parvifolia = C. ramosa Vog Chamaecrista ramulosa Killip & Pittier ex Pittier, Bol. Soc. Venezol. Ci. Nat. 7(48)- 146 1941.— . . Anzoátegui: Lomas de los Caños, valle del Río Carí, al sur de El Tigre .'. . Marzo’23 y Deciembre 15, 1940 (Pittier 14.318 y 14.476, tipo) ... el No. 14.476 se ha escogido como tipo. -Holotypus not seen; paratypus (Pittier 14318), VEN! = NY Neg. 6336,-Chamaecrista rusby, Bntton & Rose ex Pittier, l.c., pro syn.-Equated with C ramosa by Irwin,

    Cassia ramosa var. maritima Irwin, Mem. N.Y. Bot. Gard. 12(1): 77, 1964.—"Brazil, Guanabara, ‘Vicinity of Cabo Frio.’ J. N. Rose & P. G. Russell 20688, 8 Aug. 1915."—Holotypus, NY! isotypus, US!

    Cassia ramosa sensu Irwin, 1964, p. 73, max. ex parte, exclus. syn. C. uniflora utiarityi locisque nonnullis austrobrasiliensibus, fig. 345 (map, inclus. var. maritima).

    Erect, assurgent or diffusely trailing, stiffly much-branched shrublets, at anthesis (1—)2—11(—15) dm, varying (both within and between populations) from glabrous except for unilaterally puberulent stems and pedicels or even fully glabrous to densely finely velutinous-puberulent or -pilose throughout, the foliage olivaceous or less often glaucescent, the stems or trunklets often adventitiously rooting when in contact with the ground or when engulfed in sand; stipules ovate-cordate (2-)2.5-8(-9) x (1.5-)2-4.5 mm, varying from much shorter up to as long as or, on some terminal congested branchlets, longer than the internode, all becoming papery, persistent; lf-stalk (1.6-)2-4.5(-5) mm, the petiole 1.2—3(—3.5) mm, the rachis (0.4-)0.6-1.5 mm; petiolar gland ureceolate (0.1-)0.15-0.55(-0.8) mm diam, stipitate but the stipe variable in length and coarseness, the whole in profile pin-, stud- or rarely coarsely trumpet-shaped, 0.4—2 mm tall, 1.6-0.1 mm longer, exceptionally to 0.1 mm shorter than diam of head; lfts obliquely obovate to oblanceolate obtuse or mucronulate-subacute, the larger (distal) pair ¼-½ longer than the proximal, the longest lfts up to 5—13(—15) x 1.5—5.5(—7) mm, 1.8-3.5(-4.5) times longer than wide; pedicels slender wiry, of most fls 12-32(-36) mm, of some late ones shorter; longest sepal 9—14(—15) mm; longest petal (10-)11-18 mm, nearly always a little longer than longest sepal; pod 24-44 x 4.5-6(-7) mm, strigulose, ciliolate along sutures, or glabrous; ovules 11-23.

    Savannas, coastal dunes and restingas, ascending s.-ward and inland into cerrado-caatinga, mostly from near sea level up to 450 m, on Guayana Highland up to 1500 and in interior Bahia to 1000 m, interruptedly widespread over e. S. America: middle and lower Orinoco valley in n.-w. and n. Bolívar, Guárico and Anzoátegui, Venezuela; Guayana Highland and lowland periphery in Bolívar, Venezuela, Guyana, and Terr. do Roraima, Brazil; white or brown sands of the coastal plain of the Guianas and Pará; along immediate coast of n.-e. Brazil from Rio Grande do Norte to Rio de Janeiro; disjunctly inland on highlands of interior Bahia (Sas. do Tombador and Agua de Rega).—Fl. interruptedly throughout the year, especially during and just after rains.