Platostoma elongatum (Benth.) A.J.Paton, Kew Bull. 52: 274 1997. (Syn: Geniosporum elongatum Benth.; Geniosporum indicum Briq.);
S. India, Sri Lanka as per WCSP;
Erect herbs, pilose. Leaves to 3.5 x 1 mm, oblong-obovate, apex acute, base cuneate, distantly serrate, hirsute, punctuate; petiole 0.5 cm. Spikes terminal, pubescent; bracts 4 x 3 mm, ovate, ciliate; calyx lobes 1.5 mm, membranous, ciliolate; corolla tube 3.5 mm, violet; filaments 3 and 4 mm; ovary 0.4 mm, style exserted. Flowering and fruiting: December-February
Dry deciduous forests
India and Sri Lanka
(Attributions- Dr. N Sasidharan (Dr. B P Pal Fellow), Kerala Forest Research Institute, Peechi from India Biodiversity Portal)
Submission of Platostoma elongatum : 2 posts by 2 authors. Attachments (2)
Plant name: Platostoma elongatum (Benth.) A.J.Paton, Kew Bull. 52: 274. 1997.
Family: Lamiaceae
Description: Annual herbs, 10-15cm tall, pilose. Leaves opposite; lamina oblong-obovate, 3-5 cm × 3-5 mm, apex acute, base cuneate, distantly serrate, hirsute, punctuate; petiole 0.5 cm. Flowers violet-purple, about 4mm across, in 5-7cm long dense terminal spikes. Bracts 4 × 3 mm, ovate, ciliate. Calyx lobes membranous, densely ciliolate, violet. Corolla violet, 2 lipped, upper 4 lobed; lobes ovate, lower lip longer acute.Stamens 4, didynamous, exerted. Style exerted. Nutlets orbicular.
Habitat & location: Rare. Found in moist places in hilly areas. Photographed at Penchalakona. Limited to S.India and Sri Lanka.
Thanks, …, for new addition to efi.
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