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SPECIES

Scientific name: Billolivia tichii Lưu, Q.D.Nguyễn & N.L.VŨ
English name:
Vietnamese name: Giang ly tịch
Other name:

DESCRIPTION

Terrestrial herb; stems up to 1 m long, densely pubescent with brown multicellular uniseriate hairs to 5 mm long. Leaves alternate; petioles 4-16 cm long, densely pubescent with brown multicellular uniseriate hairs to 5 mm long; lamina obovate to elliptic, slightly asymmetric, 11-17 cm long, 5.5-8.3 cm wide, base round to cuneate, apex acute, margin coarsely dentate, 12-15 of secondary veins on each side of midrib, adaxial lamina dark green, glabrous, margin densely ciliate, abaxial lamina pale green or pale purple, with sparse appressed brown hairs to 1 mm long, on midrib and venation, sometimes also on lamina between veins. Inflorescences axillary, 2-12-flowered; peduncle brownish pink, 0.5-2.5 cm long, sparsely pubescent; bracts ovate, to 13 X 7 mm, apex acute, pubescent on outer surface, with margins ciliate; pedicels pinkish white, 1-3 cm long, sparsely pubescent. Calyx brownish red, ellipsoid, 13-16 mm long, 7-8 mm wide at widest portion, composed of a flaring tube and 5 ± equal lobes, densely long brown pubescent outside, glabrous inside; tube 6-7 mm long, 6-7 mm wide at mouth; lobes triangular, 5-6 mm long, 3.5-4 mm wide at base, apex acute, with margins ciliate. Corolla 24-27 mm long, composed of a narrow tube which slightly flares towards oblique mouth and a 2-lipped limb with lobes recurved; tube 20-22 mm long, white, outside pubescent, inside glabrous; throat white, turning light yellow after anthesis, with shortly stalked to subsessile glands and purple lines on the base of lobes; upper lip 2-lobed, 11-12 mm long, lobes 9-10 X 8-10 mm, orbicular; lower lip 3-lobed, 12-13 mm long, lobes orbicular, lateral lobes 7-8 X 8-9 mm, lower lobe 10-11 X 8-9 mm; all lobes white (turning light yellow after anthesis) at base, violet to pink at apex, outside sparsely pubescent with multicellular uniseriate hairs, inside with shortly stalked glands. Stamens inserted at 16-17 mm from corolla base; filaments slightly curved, 5-7 mm long, white with a red dot in the middle, sparsely glandular puberulent. Disc bowl-shaped, 5-lobed at apex, 1.5 mm high. Ovary 3.5-4 mm long, 2 mm in diameter, glabrous; style 15-17 mm long, densely covered with glandular hairs; stigma lobes 1.8-2.0 mm long. Fruits unknown.

Flowering is seen in October to November.

PHOTOS

Billolivia tichii - Lưu - Q.D.Nguyễn - N.L.VŨ.jpg at www.BotanyVN.com

Photo 1. Billolivia tichii - Lưu - Q.D.Nguyễn - N.L.VŨ.jpg

 

Billolivia tichii - Pham Huu Nhan 1.JPG at www.BotanyVN.com

Photo 2. Billolivia tichii - Pham Huu Nhan 1.JPG

 

Billolivia tichii - Pham Huu Nhan.jpg at www.BotanyVN.com

Photo 3. Billolivia tichii - Pham Huu Nhan.jpg

 

Billolivia tichii 2 - Pham Huu Nhan.JPG at www.BotanyVN.com

Photo 4. Billolivia tichii 2 - Pham Huu Nhan.JPG

 

SCIENTIFIC CLASSIFICATION
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Lamiales
Familia: Gesneriaceae
Genus: Billolivia

PARAMETERS

BVN - BotanyVN - Botany Research and Development Group of Vietnam
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