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| Oberonia aureolabris Geiger |
Abstract
Oberonia aureolabris sp. nov. from western Java is described, having been studied using light and scanning electron microscopy. It is distinguished by a panduriform inflated disc, relatively short and widely separated epichile lobes on the lip, more or less equal length of the floral bracts over the entire floriferous portion of the inflorescence and orange colour.
Keywords: Orchidaceae, Malaxideae, Oberonia, Monocots
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FIGURE 1. Oberonia aureolabris.
A. Habit (scale bar = 10 cm). B. Portion of inflorescence (scale bar = 10 mm). C. Enlarged portion of B (scale bar = 1 mm). D. Lateral view of flower showing inflated sac (scale bar = 1 mm). E. Frontal view of flower showing lateral lobes and fine serrations towards base (scale bar = 1 mm).
B–C: z-stacked on stereomicroscope. D–E: z-stacked on compound microscope. (Photographs of the material that became the type.)
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Oberonia aureolabris Geiger, sp. nov.
This new species is similar to Oberonia rufilabris Lindley (1838: t. 8A), but with an orange flower, lip with panduriform inflated disc, one pair of long lateral lobes in middle of lip, epichile unequally trifid, large outer lobes 25–30% as long as lip and a minute lobe in midline.
Etymology:— aureo, Latin for golden/orange; -labris, Latin for lip. Referring to the golden coloured lip and similarity to O. rufilabris.
Daniel L. Geiger. 2017. Studies on Oberonia 2 (Orchidaceae: Malaxideae): Oberonia aureolabris, A New Species Discovered in Cultivation. Zootaxa. 329(2); 173–179. DOI: 10.11646/phytotaxa.329.2.8
