Calliandra Species Pages

Calliandra laxa var. laxa

Rupert C. Barneby

6a. Calliandra laxa (Willdenow) Bentham var. laxa.  Calliandra laxa Bentham, 1875, l.c., sens. str. Acacia laxa Willdenow, Sp. Pl. 4: 1069. 1805. — "Habitat ad Caracas ...Bredemeyer." — Holotypus, Brede- meyer 15 in B-WILLD 19148, seen in Microform! and F Neg. 12711. — Mimosa laxa Poiret, Encycl. suppl. 1: 72. 1810. Feuilleea laxa O. Kuntze, Revis. Gen. Pl. 1: 188. 1891.

C. cumingii Bentham, J. Bot.(Hooker) 2: 140. 1840. — "Panama. Cuming, n. 1248." — Holotypus, K (hb. Benth.)!; isotypus, K (hb. Hook.)! = photo s.n., NY!, US! = photo s.n., NY!. — Feuilleea cumingii O. Kuntze, Revis. Gen. Pl. 1: 187. 1891. Anneslia cumingii Britton & Rose, N. Amer. Fl. 23: 57. 1928.C. panlosia [sic, a mistake for panlasia = hairy overall] J. R. Johnston, Proc. Amer. Acad. Arts 40(21) [= Contr. Gray Herb. n. ser. 29]: 686. 1905. — "[VENEZUELA. Nueva Esparta: Isla Margarita] ... on hills at altitude of 300 to 600 m., El Valle to Juan Griego, Miller & Johnston, n. 58, July 22, 1901, and Johnston, n. 27, July 2, 1903." — Lectotypus, J. R. Johnston 27, GH!; isolectotypus, NY!; paratypi, Miller & Johnston 58, GH!, NY (fragm)!.C. trijugata Schery, Fieldiana, Bot. 28(2): 256. 1952. — "[VENEZUELA] ... on rocky savanna slopes between Ciudad Bolivar and Río Caroní, state of Bolívar, alt. 100 m, Aug. 1, 1944, Julian A. Steyermark 57592." — Holotypus, F!; isotypus, MO!.C. laxa sensu Bentham, 1875: 551, exclus. syn. xalapensis et rubescens; Pittier, 1927: 49, quoad pl. venezol.

C. cumingii sensu Bentham, 1844: 106, var. exclus.; Bentham, 1875: 551, quoad typum, caeteris exclusis; Woodson & Schery, 1950: 262.C. panlosia sensu Pittier, 1927: 51; Hoyos F., 1985: 521, but ambiguously equated with C. [= Zapoteca] caracasana Benth.

Lf-formula iii—v(—vii)/16—27(—29); lf-stk of longer lvs 2.5—8(—11) cm, the longer interpinnial segments 6-22(-24) mm; rachis of longer pinnae 4-9 cm, the longer interfoliolar segments (1-) 1.3-4 mm; lfts facially either glabrous, or papillate, or pilosulous, the larger ones 7-14 x 1.7-4.5 mm, the inner posterior primary nerve short and faint; longer peduncles 0.6-3.5 cm, mostly <2 cm in Venezuela.

In semideciduous and riparian woodland, thorn scrub, and savanna thickets, surviving disturbance, near sea level on Caribbean coast and up to 1200 m inland, locally plentiful in n. Venezuela, from Aragua and Miranda e. to Nueva Esparta, Sucre (Mochima e. to Cristóbal Colón), Monagas, and n.-e. Bolivar, there fading into var. stipulacea; disjunct in moist lowlands of e. Panama (Colón, Canal Zone, San Blás, Darién) and n.-w. Colombia (Choco). — Map 4. — Fl. I-IX.Clavellino; clavellina serrana.

References: [Article] Barneby, Rupert C. 1998. Silk tree, guanacaste, monkey's earring: A generic system for the synandrous Mimosaceae of the Americas. Part III. Calliandra. Mem. New York Bot. Gard. 74: 1-223.