Calliandra laxa var. stipulacea

Title

Calliandra laxa var. stipulacea

Authors

Rupert C. Barneby

Scientific Name

Calliandra laxa var. stipulacea (Benth.) Barneby

Description

6b. Calliandra laxa (Willdenow) Bentham var. stipulacea (Bentham) Barneby, stat. nov. C. stipulacea Bentham in, J. Bot. (Hooker) 2: 137. 1840. — "[GUYANA.J ... On the Rio Quitaro [= Guidaro, Kwitaro], [Robert] Schomburgk [1st collection], n. 582." — Holotypus, K (hb. Benth.)! = NY Neg. 1969V, isotypi, †B = F Neg. 12611, BM!, NY!, OXF!. — Feuilleea quitaro O. Kuntze, Revis. Gen. Pl. 1: 186. 1891.

C. diversifolia Britton & Killip, Ann. New York Acad. Sci. 35: 136. 1939. — "Columbia, 1760-1808, Mutis 441 . . .3542." — Holotypus, C. Mutis 441, US!; clastotypus, NY!; paratypus, Mutis 3542, US!, NY (fragm)!.C. stipulacea sensu Bentham, 1844: 107; 1875: 551; Ducke, 1949: 50; 1958: 49; Cowan, Mem. New York Bot. Gard. 10(1): 143. 1958.

Lf-formula iii—v(—vi)/(8—)9—16(—18); lf-stk of larger lvs (3-)4-9.5(-10.5) cm, the longer interpinnal segments 8—18(—22) mm; rachis of longer pinnae (4—)4.5-10.5 cm, the longer interfoliolar segments 4.5-10(-l2) mm; lfts commonly glabrous facially, sometimes weakly or remotely puberulent (but then fewer and broader than those of pubescent var. laxa), the larger ones (8-) 10-21 (-23) x (2.5-)3-8 mm; inner posterior primary nerve produced to or beyond midblade; longer peduncles 2-6(-6.5) cm.

Along streams in upland savanna, in forest-savanna ecotone, and in lowland riparian forest, 90-850 m, locally plentiful in Venezuelan Guayana, s.-w. Guyana, and adjoining Brazil (Amazonas, Roraima), thence extending w. into Amazonian Colombia (Cauquetá, Vaupés) and s. in Brazil to the Madeira basin in n.-w. Rondonia and n. Mato Grosso and to Sa. do Cachimbo in s.-w. Pará. — Map 4. — Fl. intermittently through the year.