Loxostigma fimbrisepalum K. Y. Pan in W. T. Wang & K. Y. Pan

 Loxostigma fimbrisepalum K. Y. Pan in W. T. Wang & K. Y. Pan, Bull. Bot. Res., Harbin. 2(2): 143. 1982.

Loxostigma fimbrisepalum K.Y. Pan; Photos Hoang Thanh Son

Vietnamese name: 

Xuyến thư đài có long mi nhỏ.

Chinese name: 

齿萼紫花苣苔 chi e zi hua ju tai 

English name: 

Latin name: 

Loxostigma fimbrisepalum K. Y. Pan in W. T. Wang & K. Y. Pan 

Family: 

Gesneriaceae 

Synonym name:

No synonyms are recorded for this name.

Description: 

Stems 60-100 cm, sparsely puberulent, glabrescent, usually simple. Leaves opposite, spread along stem, unequal to subequal in a pair; petiole 0.5-4 cm, sparsely pubescent; leaf blade ovate to broadly elliptic, 8-19 X 3.2-8 cm, adaxially sparsely appressed puberulent, abaxially glabrous to sparsely appressed puberulent, base oblique, cuneate to slightly rounded, margin repand to serrulate, apex acuminate. Cymes branched 2-5 , 5-18-flowered; peduncle 5-18 cm, sparsely puberulent, glabrescent; bracts ovate to broadly ovate, 5-10 X 1.6-8 mm, margin denticulate to repand. Pedicel 1-2 cm. Calyx 5-sect from near base; segments equal, ovate to broadly triangular, 6-8 X 3-5 mm, margin denticulate to entire. Corolla white to lavender, purple spotted inside, 4.2-4.8 cm, outside sparsely pubescent, inside glabrous; tube 3-3.5 X 1.5-2 cm; adaxial lip ca. 6 mm, lobes semiorbicular, 4-5 X 4-5 mm; abaxial lip 1-1.2 cm, lobes semiorbicular, 4-5 X 6-7 mm. Adaxial stamens ca. 1.7 cm, abaxial ones ca. 2.5 cm, glabrous; staminode ca. 2 mm. Pistil 2.2-2.5 cm, glabrous. Style 1.1-1.3 cm. Capsule 5-6 cm. Seed appendages 1.1-1.2 mm. 

Flower and fruid season: 

Flower Sep-Nov. 

Distribution: 

This species is distributed in China (Guangxi (Bose Xian), SE Yunnan.) and Vietnam; In VietNam, found in Lào Cai, Cao Bằng.

Ecological: 

Rock crevices, on limestone, or epiphytic in forests; at elevations of 900-1600 m.

Reference: 

- theplantlist.org

- efloras.org

- ipni.org

- Xuyen, Do Thi and Vu Xuan Phuong. “A new record of species Loxostigma fimbrisepalum K. Y. Pan (Gesneriaceae Dumort) for the flora of Vietnam.” (2012).