Volume 15 > Part 1 > Year 2021 > Page 111 > Rubiaceae > Neanotis

4. Neanotis tubulosa (G.Don) Mabb.wfo-0000249779

in K.S.Manilal, Bot. Hist. Hort. Malabaricus: 92. 1980; Wangwasit & Chantar., Trop. Nat. Hist. 14: 107. 2014.— Oldenlandia tubulosa G.Don, Gen. Hist. 3: 531. 1834.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Erect herbs 8–40 cm tall; stems quadrangular, glabrous. Stipules membranous, sheath truncate, 0.5–1 mm long, with or without a ridge near margin; lobes truncate to denticulate. Leaves ovate, lanceolate or elliptic 1.2–4 by 0.7–2 cm, base rounded, acute, attenuate, apex acute, membranous, sparsely pubescent above, glabrous beneath, lateral veins 3–5 pairs; petiole 1–10 mm long. Inflorescences terminal dichasial cymes. Flowers blue-violet [(ex Garrett 389 & 701) or purple (ex Kerr 1421)]; salverform; pedicel sessile. Calyx lobes triangular, ovate or oblong, 0.8–1.5 by 0.5–0.7 mm, glabrous or margin fimbriate. Corolla tube 3–4.5 mm long; lobes deltoid or ovate, 1–2 by 0.8–1 mm, outside hairy near apex. Stamens exserted; filaments 0.5–0.8 mm long; anthers oblong, 0.5–0.6 by ca 0.1 mm. Ovary (3–)4-locular; style 2.5–3 mm long; stigma 3–4-fid, 1.5–2.2 mm long. Capsules (3–)4-locular, loculicidally dehiscent, obovoid, 1.5–2 by 2–2.5 mm, membranous, top view quadrangular rarely triangular. Seeds 3–5 per locule, concavo-convex or cymbiform, 0.7–0.9 by 0.6–0.7 mm, dorsal side convex, ovate or broadly elliptic, margin recurved to ventral side, ventral sides concave with protruding longitudinal hilum ridge, 0.4–0.5 mm, reticulate on both sides, dark brown to black.

Thailand : NORTHERN: Chiang Mai.

Distribution : India (type), Sri Lanka.

Ecology : In bogs, on rocks, open areas, by streams, 1,000–1,650 m alt. Flowering: August–December.