Rinorea amapensis Hekking

• Authority

  Hekking, W. H. A. 1988. violaceae Part l—Rinorea and Rinoreocarpus. Fl. Neotrop. Monogr. 46: i-ii, 1-208. (Published by NYBG Press)

• Family

  Violaceae

• Scientific Name

  Rinorea amapensis Hekking

• Type

  Type. Brazil. Amapa: Serro do Navio, Rio Amapari, frequent on Fritz Akerman Ore Body on heavily forested hills, 70-300 m, 4 Nov 1954 (ft, fr), Cowan 38121 (fl, fr), (holotype, NY; isotypes, HH, MICH, MO, NY, S, U, UC, W).

• Description

  Species Description - Tree or treelet, 1-15 m tall. Branchlets violet colored when dried, erect pilosulous and less densely pilose. Leaves apparently opposite; petioles 2-7 mm long, erect pilosulous above, appressed pilose(ulous) beneath; stipules deciduous, deltoid, 1-4 x 1-2 mm, herbaceous, appressed brownish pilosulous, ciliolate, mucronulate; lamina elliptic to obovate, acuminate to cuspidate, (2.5-)5-14 x 2-5 cm, papery, glabrous on both sides; costa glabrous above, sparsely hairy to glabrescent beneath, domatia wanting; lateral veins (7-)9-11(-13) pairs (acumen excluded); tertiary venation reticulate; base rounded to cuneate; margin subentire, subserrate to suberenate, mucronulate; acumen 0.25-1.75 mm long, apex subacute, mucronulate. Inflorescences axillary, lateral and subterminal, solitary, racemose, 5-8.5 cm long; central axis erect brownish to whitish pilosulous; pedicels 4-4.5 mm long, articulate at 1/5-2/5 from the base, brownish to whitish pilosulous; bracts and bractlets ovate to deltoid, herbaceous, whitish to brownish pilosulous along the median part, 1-3 veined, margin ciliolate, apex subobtuse, mucronulate; bracts ca. 1.25 x 1-1.25 mm; bractlets ca. 1 mm long and wide. Flower buds ovoid to tolpoid. Flowers drooping, whitish to yellowish. Sepals subequal, ovate to orbicular, 1.25-2.25 x 1.25-1.75 mm, herbaceous, whitish pilosulous, 3-5 veined, margin whitish ciliolate, apex obtuse to rounded. Petals narrowly ovate, 3-4.25 x 1.25-1.75 mm, herbaceous, carnose at the base, scarious along the margin, appressed brownish pilose(ulous) along the median part; apex obtuse and ciliolate. Stamens 2.5-3 mm long; filaments free, 0.5-0.75 x 0.25-0.5 mm, glabrous; dorsal glands nearly always free, extremely rarely two fused with each other, adnate to the filaments, rarely fused with the filaments, usually ellipsoid, 0.25-0.8 x 0.2-0.4 mm, carnose, glabrous, apex obtuse to subacute; anthers ovoid to ellipsoid, 1.2-1.4 x (0.4-)0.6-0.8 mm, glabrous, apex of the thecae obtuse, sometimes apiculate or appendaged by 1-7 set(ul)ae; connective outside, narrowly elliptic or deltoid, 0.75 x 0.25 mm, slightly pilosulous or glabrescent, apex subobtuse to subacute; connective scales apical as well as lateral, ovate to deltoid, ca. 2.25 x ca. 0.75 mm, scarious, orange-brown, margin (sub)erose, fringed at the base, apex (sub)obtuse. Ovary subglobose, 0.75-1.25 x 0.6-0.9 mm, brownish pilose; ovules one to two per placenta. Style filiform, erect, 2-2.5 x ca. 0.2 mm, exceeding the stamens usually by 0.25-0.5 mm, slightly pilosulous near the base; stigma truncate. Capsule symmetric, ovoid to ellipsoid, slightly acuminate, coriaceous to subligneous, green with a flush of pink when fresh, brownish pilosulous, veined; valves three, (sub)equal, occasionally unequal 0.75-3.25 x 0.25-1 cm. Seeds one, sometimes two per valve, subglosose, 5-7 mm in diam., stained, erect brownish pilosulous, often purplish spotted when dried.

• Discussion

  Rinorea amapensis differs from R. pubiflora and R. brevipes by: (1) branchlets drying to violet (without callose lenticels); (2) costa glabrous above (versus puberulous); (3) domatia wanting; (4) petals brownish pilose(ulous) along the median part (in R. pubiflora ferruginous strigose along the costa and in R. brevipes glabrous or nearly so); (5) stamens 2.5-3 mm long (versus (2.75-)3-6 mm long); and (6) seeds pilosulous as mostly in R. pubiflora (but glabrous in R. brevipes and R. pubiflora var. & fo. grandifolia).

  Seeds of Rinorea amapensis are usually stained. Its indument varies from whitish via golden to brownish as in R. brevipes, whereas the indument of R. pubiflora is predominantly ferruginous.
  Rinorea amapensis has been described from material which had been identified incorrectly as R. martini (Turczaninoff) Blake, 1924. The type specimen of Alsodeia martini Turczaninoff appeared not to belong to a separate species, but to R. pubiflora.

• Common Names

  Lè1è tiki, Bois 1è1è, Lè1è tiki, Boumbi-kid’ia, Kuuku ariut, Tâyu, Wayau

• Distribution

  Colombia South America| Vaupés Colombia South America| Suriname South America| French Guiana South America| Brazil South America| Amapá Brazil South America| Amazonas Brazil South America| Pará Brazil South America|