Volume 15 > Part 1 > Year 2021 > Page 99 > Rubiaceae > Morinda

8. Morinda talmyi (Pit.) Chantar.wfo-1200009186

Thai Forest. Bull., Bot. 47: 184. 2019.— M. persicifolia var. talmyi Pit. in Lecomte, Fl. Indo-Chine 3: 426. 1924. Fig. 15.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Small shrubs or scandent shrubs; young branches subterete, bark smooth, greenish, glabrous; older branches subterete, bark smooth, brownish to grey. Stipules triangular, acute to acuminate, connate at base, usually persistent. Leaves elliptic, lanceolate, oblong or fiddle-like shaped, 3−11.5 by 1−3.5 cm, base cuneate, margin entire, apex acute or acuminate, membranaceous, light green above, greenish beneath, glabrous on both surfaces, drying dark brown, lateral veins 5−8 pairs, venation obscure; petiole 2−7 mm long, glabrous. Inflorescences solitary capitula; peduncle at anthesis sessile or up to 2 mm long. Flowers 5−6-merous, fragrant, bisexual; heterostylous. Calyx tube basally connate, glabrous, lobes obtuse or triangular. Corolla salver-shaped, white or greenish; tube 0.7−1 cm long, inside with sparse and short hairs, outside glabrous, lobes oblong, 1.5−2.5 by 5.5−7 mm. Stamens included or exserted in corolla tube, attached to tube by short filament; filaments linear, 1−4 mm long; anthers white or yellowish grey, oblong, 2−3 mm long. Ovary 2-locular; style white, 4−7 mm long in brevistylous flower, 0.8−1.2 cm long in longistylous flower, glabrous stigma bilobed, 2−3 mm long, included or exserted in the corolla tube. Infructescences subglobose or oblique, glabrous, with 15−35 fruitlets, greenish. Seeds ellipsoid or ovoid, 3−5 by 5−7 mm.

Thailand : NORTH-EASTERN: Bueng Kan (Pak Khat, Phon Phisai), Nakhon Phanom (Ban Theng), Khon Kaen (Nong Song Hong); EASTERN: Chaiyaphum (Ban Lat Yai), Nakhon Ratchasima (Non Sung, Phimai, Tha Chang), Surin (Samrong Thap), Si Sa Ket (Huai Thap Than, Kantharalak, Kanthararom), Ubon Ratchathani (Det Udom, Pha Sai, Phibun Mangsahan); SOUTH-EASTERN: Nakhon Phanom (Tha Uthen), Maha Sarakham (Borabue).

Distribution : Indochina (Cambodia – type).

Ecology : In dry evergreen and deciduous dipterocarp forests, streamsides, 100−270 m alt. Flowering: January−June.

Vernacular : Yo bia (ยอเบี้ย)(Si Sa Ket).