Drosera kaieteurensis

Description

Acaulescent herb forming rosette, no more than 2 cm tall. Leaves spathulate, 5.5-15 mm long, petiole and blade well defined; stipules 4-5 mm long, 3-4-partite; petiole 3-10 x 0.3-0.8 mm, hairy beneath; blade very widely obovate or widely obovate, 2.5-5 x 2.5-4 mm, hairy beneath. Inflorescences 1-5 per plant, 1-7 cm long, 1-5-flowered; peduncle erect, 1-4 cm long, with long non-glandular hairs and smaller glandular hairs. Flowers with sepals narrowly ovate, joined at base, 2-3 x 1-1.5 mm, reflexed at anthesis, margin entire, with long non-glandular hairs and smaller glandular hairs outside; petals white or pink, spathulate, 3 x 1.5 mm; stamens 2.5-3 mm long; pollen tetrad 50-65 µm diameter, spines very dense, 1.5 µm long, more than 50 µm2; ovary with 3 styles, bipartite near base. Fruit after ripening cup-like; seeds ovate or subglobose, foveolate, 0.30-0.4 x 0.15-0.20 mm, covered with granular wax.

Distribution

Venezuela (Bolívar: Chimantá, Guaquinima, Auyan-tepui and Amuray-tepui) and Guyana (Pakaraima region); 21 collections studied, 9 from Guyana (GU: 9).

Synonymy

Drosera kaieteurensis Brumm.-Ding. in Acta Bot. Neerl. 4: 137. 1955 sec. S.L. Maina, A.S.J. van Proosdij, R. Duno de Stefano & al., 2004
    • Isotype: Guyana, Kaieteur Savanna, Maguire & Fanshawe 23466.
    • Holotype: Guyana, Kaieteur Savanna, Maguire & Fanshawe 23466.

Images

Specimens

CountryDateCollector + collecting numberHerbariaTypeScanDerivatives
Maguire & Fanshawe 23466
Citation: Guyana, Kaieteur Savanna, Maguire & Fanshawe 23466.

Specimen summary: Guyana, Kaieteur Savanna, Maguire & Fanshawe 23466.
Holotype of Drosera kaieteurensis Brumm.-Ding. Isotype of Drosera kaieteurensis Brumm.-Ding.
Guyana, Republic ofMaguire & Fanshawe 32286VEN, K, US
Citation: Guyana, Republic of, Imbaimadai, Membaru-Kurupung, Kamarang, Maguire & Fanshawe 32286.

Specimen summary: K

Specimen summary: VEN

Specimen summary: US

Guyana, Republic ofMaguire & Fanshawe 23466U, NY
Citation: Guyana, Republic of, Kaieteur Plateau, Maguire & Fanshawe 23466.

Specimen summary: NY

Specimen summary: U

Guyana, Republic ofMaas et al. 4268U, K
Citation: Guyana, Republic of, Pakaraima Mts, Mt. Membaru, Maas et al. 4268.

Specimen summary: U

Specimen summary: K

Guyana, Republic ofMaas et al. 4346U, K
Citation: Guyana, Republic of, Pakaraima Mts, Mt. Membaru, Maas et al. 4346.

Specimen summary: U

Specimen summary: K