Jumellea maxillarioides Schltr.
Creators: name: Rakotoarivelo, Fanny
name: Pailler, Thierry
name: Faliniaina, Lucien
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Plantae
Tracheophyta
Liliopsida
Asparagales
Orchidaceae
Jumellea
Jumellea maxillarioides

description: 1. <i>Jumellea maxillarioides</i> (Ridl.) Schltr. (Fig. 3) <i>Feddes Repertorium Specierum Novarum Regni Vegetabilis, Beiheft</i> 33 (2): 299 (1925); Perrier de la Bâthie <i>in</i> Humbert H. (éd.), <i>Flore de Madagascar,</i> 49 e fam., Orchidées 2: 166 (1941); Du Puy <i>et al</i>., <i>hve Orchids of Madagascar</i>, 1st éd.: 163 (1999); Stewart <i>et al</i>., <i>Angraecoid Orchids</i>: 186 (2006); Hermans <i>et al</i>., <i>Orchids of Madagascar</i>, 2nd éd.: 209 (2007); Cribb &amp; Hermans, <i>Field Guide to the Orchids of Madagascar</i>: 310 (2009). — Basionym: <i>Angraecum maxillarioides</i> Ridl., <i>Journal of the Linnean Society, Botany</i> 21: 479 (1885); <i>Angorchis maxillarioides</i> (Ridl.) Kuntze, Revisio Generum Plantarum: 651, pl. 2 (1891). — Lectotype (designated here): Madagascar. Fianarantsoa, Ambalavao, Ankafana, 1880, <i>Deans Cowan 26</i> (lecto-, BM [BM539237]; isolecto-, <i>Parker s.n.</i>, K! [K000306584]). SPECIMENS EXAMINED. <b> <i>—</i> Comoros. Grande Comore, La Grille Massif, 11°27’51.8’’, 43°20’25.4’’, 1076 m, 27.II.2009, <i>Rakotoarivelo et al. 061</i> (REU!).</b> <b>Madagascar</b>. Antananarivo, Mont Angavokely, 1920, <i>Perrier de la Bâthie 12978</i> (P [P00094211, P00094212, P00094213, P00094214]!); Toamasina, Maromizaha, II.1924, <i>Perrier de la Bâthie 16051</i> (P [P00094210]!); Angavobe Mont, 1600 m, 8.II.1992, <i>Pettersson 508</i> (P [P00094208]!); Mandraka, 1.IX.2009, <i>Rakotoarivelo et al. 029</i> (TAN!). — Fianarantsoa, Ambondrombe, 21°52’47’’S, 47°15’32.9’’E, 1853 m, 12.I.2010, <i>Rakotoarivelo et al. 215</i> (TAN!); Andringitra, 21°14’08’’S, 47°23’49.8’’E, 1118 m, 17.I.2010, <i>Rakotoarivelo et al. 227</i> (TAN!). DISTRIBUTION. — Grande Comore and Madagascar (Antananarivo, Fianarantsoa). In humid forest, from 1000 to 1200 m elevation. DESCRIPTION Epiphyte, lithophyte or terrestrial plant, acaulescent or sub-acaulescent, stem covered by marcescent leaf sheaths. Leaves coriaceous, oblong, (26-41 × 11-15 cm), imbricate, tight, conduplicate at the base, with a released leaf sheath (2.8-4 cm), unequally bilobate at the apex, with rounded lobes. Inflorescences numerous (1-6 per plant); peduncle short (1.5-3.5 cm), thick, covered entirely by 5 sterile bracts.Fertile and sterile bracts tubuliform. Pedicellate ovary twice longer than the peduncle (5-9 cm). Flowers large, thick and leathery. Sepals and petals at the same size (30-36 × 7-9 mm), ivory-white color on the inner face.Sepals oblong, slightly scurfy on the outer face, curved back, acute.Petals slightly crispate at the base, oblong, acute, and bearing a dorsal costule.Lip ovate or pandurate (37-38 × 16-17 mm), narrowed at the base, gutter-shaped, carinate (19-20 mm), widened in the middle, acuminate at the apex. Spur 2.5-5 cm long, slightly curved. Column with very thick arms (5 × 5 mm), lobes of the rostellum acute at the joined tips. Anther cap triangular, supported by the lobes of the rostellum. Capsule fusiform.
description: Published as part of <i>Rakotoarivelo, Fanny, Pailler, Thierry &amp; Faliniaina, Lucien, 2013, Revision of the genus Jumellea Schltr. (Orchidaceae) from the Comoros Archipelago, pp. 33-46 in Adansonia (3) (3) 35 (1)</i> on page 37, DOI: 10.5252/a2013n1a3, http://zenodo.org/record/5371059