双蝴蝶(Tripterospermum chinense)

双蝴蝶(Tripterospermum chinense)

Flowering:20101016,Baizhangling
FOC Vol. 16 Page 7
FOC | Family List | FOC Vol. 16 | Gentianaceae | Tripterospermum
3. Tripterospermum chinense (Migo) Harry Smith in S. Nilsson, Grana Palynol. 7(1): 144. 1967.
双蝴蝶 shuang hu die
Crawfurdia chinensis Migo, J. Shanghai Sci. Inst. 3: 154. 1939; Tripterospermum carlesii Harry Smith.
Stems terete, to 1.5 m, 2-3 mm in diam. Basal leaves 2 pairs, prostrate, sessile, elliptic, broadly oblong, or obovate-oblong, 3-6.5 × 1.5-5.5 cm, base rounded, margin entire, apex acuminate and mucronate; stem leaves sessile to subsessile with petiole 0.2-0.3 mm; leaf blade ovate-lanceolate to lanceolate, 5-10 × 2-3.5 cm, herbaceous, base rounded, truncate, or cordate, margin entire, apex ± short acuminate to acuminate-attenuate; veins 3, prominent. Inflorescences 1-4-flowered cymes. Pedicel 5-10 mm; bractlets 1-3 pairs, small. Calyx 1.6-2 cm; lobes linear-lanceolate, 6-9 mm. Corolla blue-purple to pale purple, narrowly campanulate, 4-4.5 cm; lobes ovate-triangular, 5-6 mm, apex acuminate to acute; plicae semiorbicular, 2.5-3 mm, margin crenate. Filaments linear, 1.3-2 cm; anthers ovoid, ca. 1.5 mm. Disc ca. 1.5 mm. Style linear, 8-11 mm. Capsules ellipsoid, 2-2.5 cm × 7-8 mm; gynophore 1-1.5 cm. Seeds light brown, orbicular, compressed, ca. 2 mm in diam.; wings discoid. Fl. and fr. Oct-Dec.
* Grasslands, scrub, forest margins, forests; 300-1100 m. Anhui, Fujian, Guangxi, Jiangsu, Jiangxi, Zhejiang.



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