Zygia latifolia var. lasiopus (Benth.) Barneby & J.W.Grimes

  • Authors

    Rupert C. Barneby

  • Authority

    Barneby, Rupert C. & Grimes, James W. 1997. Silk tree, guanacaste, monkey's earring: A generic system for the synandrous Mimosaceae of the Americas. Part II. , , and . Mem. New York Bot. Gard. 74: 1-149.

  • Family

    Mimosaceae

  • Scientific Name

    Zygia latifolia var. lasiopus (Benth.) Barneby & J.W.Grimes

  • Type

    "British Guiana. Schomburgk, n. 487." — Holotypus, K!; isotypus, OXF!. mann & Kappler]

  • Synonyms

    Inga ramiflora Steud., Zygia ramiflora (Benth.) Barneby & J.W.Grimes, Pithecellobium cauliflorum Mart.

  • Description

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    Variety Description - Lfts either 3 or 5 per pinna, the distal pair of larger lvs (4—)4.5-11.5(-13) x (2-)2.5-5.5(-6) cm; calyx hemispherical or campanulate 0.4—1.7(—2) mm long; corolla 5-7(-8) mm, the tube as well as the lobes hirtellous or ascending-pilosulous; pod when well fertilized (7—)9—16(—17) x 1.2-1.6 cm.

    Distribution and Ecology - In seasonally flooded forest, on riverbanks, and in the understory of gallery woodland, below 200 m, common and locally abundant in both coastal and interior Guyana, Surinam, French Guiana, and lower Amazonian Brazil, extending with less frequency into Venezuelan Guayana, and SW to the NW comer of Mato Grosso and SW state of Amazonas, Brazil; once recorded from E Peru (lower Ucayali valley). - Map 37. - Flowering intermittently throughout the year.

  • Discussion

    Indifferent specimens from the Federal District in Brazil (Río Preto, Heringer 9278, NY, in young flower) are technically referable to var. lasiopus by leaf-formula and puberulent corolla. Only var. glabrata could logically be expected near the latitude of Brasilia. The record is omitted from the map and determination deferred until the plant is better known.

  • Distribution

    Guyana South America| Suriname South America| French Guiana South America| Amazonas Brazil South America| Mato Grosso Brazil South America|