Volume 7 > Part 4 > Year 2002 > Page 659 > Buddljaceae > Buddleja

Buddleja macrostachya Benth.wfo-0000574133

Scroph. Ind.: 42. 1835; DC., Prodr. 10: 447, 1846; C.B.Clarke in Hook.f., Fl. Brit. Ind. 4: 81. 1883; Gagnep., Not. Syst. 2: 190. 1912; Marquand, Bull. Misc. Inform. Kew 1930: 191. 1930; Kerr in Craib & Kerr, Fl. Siam. Enum. 3(1): 54. 1951; Leeuwenb., G.Vidal & Galibert, Fl. C.L.V. 13: 94, f. 15, 9–12. 1972; Leeuwenb., The Loganiaceae of Africa XVIII. Buddleja L. 11: 133–136, f. 35. 1979; P.H.Hô, Câyco Viêtnam 2: 1110. 1993. Fig. 2.

Accepted Name : This is currently accepted.

Synonyms & Citations :

Description : Shrubs, 0.8 4 m high; most parts densely stellate. Branchlets slightly rectangular. Leaves shortly petiolate to almost sessile, serrate, acuminate, blade usually decurrent, adaxially gla brous, slightly tomentose or pubescent, abaxially rusty on drying, 3.5–17 x 1–7 cm, stipules small, rounded to triangular, truncate, leaf-like; petiole, ± sessile–15 mm. Inflorescence terminal, spiciform, dense, 5.5–26 x 1–3.5 cm, cymes sometimes interrupted low down, sometimes with a narrowly lanceolate bract 12–22 x 1–3 mm. Calyx campanulate, ca 4–5 mm; teeth ca 1.5–2 x 1.5–3 mm, triangular to narrowly triangular, apex acuminate, inside glabrous; sometimes with a small linear lanceolate bracteole ca 2–4.5 mm. Corolla pinkish to blue to orange, throat sometimes dark orange; tube ca 7–11 x 2–3 mm, mouth with ring of pilose hairs, extending to top of ovary, ± glabrous lower down, outside glabrous under calyx; lobes ivory, margins sometimes slightly pubescent, ca 2–2.5 x 2–3 mm, rounded to slighty crenate. Stamens ± sessile; anthers parallel, oblong, ca 2 x 0.5 mm, top of anther + 0.1 mm below mouth, deeply cordate ± divergent. Ovary conical to ellipsoid, gradually narrowing into style, densely stellate; stigma clavate, glabrous with some hairs on the stigmatic area; pistil ca 6.5 mm; ovary 3–3.5 x 2–1.5 mm, stigma 1.25 mm; style 1.75–2.25 mm. Capsule ovoid ca 10 x 3.5 x 3 mm. Seeds irregular, ca 2–2.5 x 0.3–1 mm, reticulate.

Thailand : NORTHERN: Chiang Mai (Doi Chiang Dao Highlands – Hosseus 400, holotype -W, isotypes -BM E K L P), Chiang Rai.

Distribution : India (Assam), Sikkim, Bangladesh (type), Burma, Bhutan, China (Yunnan), Vietnam.

Ecology : Altitudes of 1,600–2,285 m.

Vernacular : Rachawadi luang (ราชาวดีหลวง)(Northern).