The New Refugium Botanicum. Angraecum sesquipedale
Resumen
Angraecum sesquipedaleThouars, Histoire
Particulière des Plantes Orchidées
(Hist. Orchid.), pl. 66 & 67. 1822. TYPE:
Madagascar, without specific locality,
1798, L. M. A.-A. du Petit-Thouars s.n.;
lectotype, designated by Du Puy et al.
(1999), plates 66 and 67 of Hist. Orch.
A large, epiphytic, lithophytic or
semiterrestrial, monopodial, erect herb to
over 60 cm tall. Roots flexuous, glabrous,
thick, to 8 mm in diameter, produced
from the base of the node subopposite
to the leaf on the lower part of the stem.
Stem slightly flattened, to 12 mm wide,
completely covered by the conduplicate,
subancipitous, tightly clasping leaf
sheaths, the oldest ones becoming brownpapyraceous. Leaves articulate with the
sheaths, coriaceous, dark green, detaching
when old, ligulate, irregularly bilobed at
apex, 10–30 × 1.4–2.7 cm. Inflorescence
produced laterally from the stem and
emerging from the axil of one of the upper
sheaths, a lateral, 1- (Ang. sesquipedale
var. angustifolium) to few-flowered (no
more than six), arched to gently pendent,
successive or simultaneously flowering
raceme 25–30 cm long including the
peduncle; peduncle terete, green, 10–12
cm long, with 2–3 triangular, cucullate,
hyaline bracts becoming brownish with
age, ca. 1 cm long.
Ilustraciones de Sylvia Strigari
Colecciones
- Biología [1644]