Coutoubea reflexa

Description

Annual herb, 10-100 cm high, woody at base. Stem at base 0.2-0.7 cm in diam., terete, sometimes angular in upper part, smooth, simple or poorly branched; internodes 0.5-6.5(-15.5) cm long. Leaves sessile, coriaceous, narrowly elliptic or narrowly obovate, 1.5-10 x 0.2-1.5 cm, above shiny, below dull, base narrowly cuneate, semi-amplexicaule; primary vein slightly prominent above, prominent beneath, secondary veins, if visible, slightly prominent beneath. Inflorescence terminal or axillary, composed of 2-3 spikes, 4-32 cm long, including peduncle of up to 11.5 cm long; bracts and bracteoles ovate, 2.5-4.5 mm long, acuminate. Flowers horizontal or slightly erect, sessile, loose, decussate; calyx green, coriaceous, 8-10 mm long, calyx lobes triangular-ovate, 4-6 x 1.5-2 mm, apex acuminate; corolla white to pale pink, in throat green, chartaceous, 15-19 mm long, corolla lobes reflexed, narrowly ovate, 7-9 x 2-5 mm, apex acuminate; filaments white, 3 mm long, anthers yellow, 4-5 mm long; ovary ovoid or fusiform, 4-7 x 1.5 mm, style white, 3-4 mm long, stigma lobes pale yellow, cupshaped, 1-2 x 0.5-2 mm. Fruit (narrowly) ovoid, 7-8 x 2-3 mm; seeds 0.5 mm in diam.

Distribution

Colombia, Venezuela, Guyana (Pakaraima Mts., S Rupununi Savanna), Brazil (Amazonas, Roraima); 37 collections studied, of which 13 from Guyana (GU: 13).

Phenology

Flowering and fruiting .

Synonymy

Coutoubea reflexa Benth. in Hooker, J. Bot. Kew Gard. Misc. 2: 45. 1840 sec. JEANETTE ALLOGIO, LAURA COBB, JASON R. GRANT & al., 2012
    • Unknown type category: Ro. Schomburgk add. ser. 101.S.

Specimens

CountryDateCollector + collecting numberHerbariaTypeScanDerivatives
Guyana, Republic ofHoffman et al. 1644L, BRG, US
Citation: Guyana, Republic of, Pakaraima Mts., Imbaimadai, Hoffman et al. 1644.

Specimen summary: US

Specimen summary: L

Specimen summary: BRG

Guyana, Republic ofHoffman et al. 2845L, BRG, US
Citation: Guyana, Republic of, Pakaraima Mts., Imbaimadai, Hoffman et al. 2845.

Specimen summary: L

Specimen summary: US

Specimen summary: BRG

Guyana, Republic ofA.C. Smith 3060F, P, L, K, US, NY
Citation: Guyana, Republic of, S Rupununi, Parabara Savanna, A.C. Smith 3060.

Specimen summary: F

Specimen summary: US

Specimen summary: NY

Specimen summary: P

Specimen summary: K

Specimen summary: L

Guyana, Republic ofMaguire 32165K, NY
Citation: Guyana, Republic of, Upper Mazaruni R., Imbaimadai savannas, Maguire 32165.

Specimen summary: K

Specimen summary: NY

Ro. Schomburgk add. ser. 101.S
Citation: Ro. Schomburgk add. ser. 101.S.

Specimen summary: Ro. Schomburgk add. ser. 101.S.
Unknown type category of Coutoubea reflexa Benth.