Tachia grandiflora

Description

Shrub, up to 4 m high, sparsely branched. Branches up to 0.6 cm in diam., terete, hollow, not winged; internodes (2.5-)5-9 cm long. Leaves petiolate, arranged along stem; petiole 0.7-1.5 cm long; blade membranaceous, elliptic to slightly obovate, 8-19 x 3-7.3 cm, margin flat, apex acute to acuminate, base attenuate. Flowers solitary, horizontal; calyx yellowish green to green, 17-25 x 7-9 mm, ridged, lobes ovate, 11-14 x 3-6 mm, margin hyaline, apex acute; corolla cream, yellow to orange (lobes creme to white), funnel-shaped, 67-81 mm long, 20-27 mm wide at mouth, lobes orbicular, 16-20 x 13-16 mm, apex acuminate(with darker-colored tip); stamens sometimes exserted from corolla mouth, filaments 44-48 mm long, often bent especially close to apex, anthers yellow, elliptic, 4-5 mm long, recurved after anthesis; pollen exine reticulate; pistil 43-64 mm long, ovary 7-8.5 mm, style 49 mm, stigma lobe elliptic, 2.5 x 2 mm. Fruit erect, green when fresh, brown when mature and dry, elliptic to ovoid, 35-39 x 5-8 mm; seeds dark brown, ca. 1 mm in diam.

Distribution

French Guiana: present Guianas: present Guyana, Republic of: present Southern America:, Brazil North (Amazonas present, Roraima present); Venezuela (Venezuela present) near border with Suriname: present
Venezuela, Brazil (Amazonas, Roraima, and near border with Suriname), Guyana, French Guiana; 65 collections studied, of which 23 from the Guianas (GU: 2; FG: 21).

Common Name

Creole (French Guiana): mahot noir; English (Guyana, Republic of): large-flowered tachia

Phenology

Flowering specimens collected in , fruiting specimens in . Each flower only lasts one day.

Synonymy

Tachia grandiflora Maguire & Weaver in J. Arnold Arbor. 56: 117. 1975 sec. JEANETTE ALLOGIO, LAURA COBB, JASON R. GRANT & al., 2012
    • Isotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042 (INPA).
    • Isotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042 (K).
    • Isotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042 (L).
    • Isotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042 (NY).
    • Isotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042 (S).
    • Isotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042 (US).
    • Holotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042.
    • Isotype: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042.

Images

Specimens

CountryDateCollector + collecting numberHerbariaTypeScanDerivatives
Prance et al 5042S, INPA, L, K, US, NY
Citation: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042.

Specimen summary: Brazil, Amazonas, Serra da Lua, Rio Urubu, between Cachoeira Iracema and Natal, Prance et al 5042.
Isotype of Tachia grandiflora Maguire & Weaver
Holotype of Tachia grandiflora Maguire & Weaver

Specimen summary: INPA
Isotype of Tachia grandiflora Maguire & Weaver

Specimen summary: K
Isotype of Tachia grandiflora Maguire & Weaver

Specimen summary: L
Isotype of Tachia grandiflora Maguire & Weaver

Specimen summary: NY
Isotype of Tachia grandiflora Maguire & Weaver

Specimen summary: S
Isotype of Tachia grandiflora Maguire & Weaver

Specimen summary: US
Isotype of Tachia grandiflora Maguire & Weaver

de Granville 4443L
Citation: idem, de Granville 4443.

Specimen summary: L

Mori & Pennington 18002L, MO
Citation: Saül, La Fumée Mt., Mori & Pennington 18002.

Specimen summary: L

Specimen summary: MO

Acevedo-Rodríguez et al. 4977US, NY
Citation: Saül, Rte. de Belizon, Acevedo-Rodríguez et al. 4977.

Specimen summary: NY

Specimen summary: US