Acanthaceae (PDF)

ACANTHACEAE 4111b. Stems, petioles, and inflorescencessubglabrous or white pubescent; leafblade ovate-elliptic, less than 8 × 6 cm.2a. Leaf blade white pubescent ............... 69a. var. inflata2b. Leaf blade subglabrous ........ 69b. var. gongshanensis69a. Strobilanthes inflata var. inflata锡 金 马 蓝 ( 原 变 种 ) xi jin ma lan (yuan bian zhong)Pteracanthus inflatus (T. Anderson) Bremekamp; Strobilantheswardii W. W. Smith.Stems, petioles, and inflorescences white pubescent. Leafblade elliptic to ovate, ca. 5.5 × 3 cm. Fl. Jun–Nov.Forests; ca. 1700 m. Xizang (Mêdog, Zayü), Yunnan [Bhutan,India, Myanmar, Nepal].69b. Strobilanthes inflata var. gongshanensis (H. P. Tsui) J. R.I. Wood & Y. F. Deng, Bot. J. Linn. Soc. 150: 387. 2006.贡 山 马 蓝 gong shan ma lanPteracanthus gongshanensis H. P. Tsui, Acta Bot. Yunnan.12: 277. 1990; Strobilanthes unilateralis J. R. I. Wood.Stems, petioles, and inflorescences subglabrous. Leaf bladeovate-elliptic, 5–12 × 1–4.5 cm. Fl. Aug–Oct, fr. Dec.Evergreen broad-leaved forests; 1900–2200 m. Yunnan (Gongshan)[Indonesia, Myanmar].69c. Strobilanthes inflata var. aenobarba (W. W. Smith) J. R.I. Wood & Y. F. Deng, Bot. J. Linn. Soc. 150: 386. 2006.铜 毛 马 蓝 tong mao ma lanStrobilanthes aenobarba W. W. Smith, Notes Roy. Bot.Gard. Edinburgh 13: 185. 1921; Pteracanthus aenobarbus (W.W. Smith) C. Y. Wu & C. C. Hu.Stems, petioles, and inflorescences densely covered withlong yellowish brown trichomes. Leaf blade broadly ovate, 12–20 × 6–10 cm. Fl. Aug–Oct.Streamsides in shady places, forest margins; 2300–3200 m. Xizang(Zayü), Yunnan [Indonesia, Myanmar].70. Strobilanthes congesta Terao, Notes Roy. Bot. Gard. Edinburgh40: 153. 1982.密 序 马 蓝 mi xu ma lanPteracanthus congestus (Terao) C. Y. Wu & C. C. Hu.Subshrubs 0.6–1.8 m tall, anisophyllous. Stems subterete,whitish to brownish yellow pubescent with large-celled trichomes.Petiole 1–7 mm, densely hirsute; leaf blade ovate-lanceolate,2–9 × 0.8–3.5 cm, smaller of pair ca. 2/3 size of largerone, both surfaces brownish to yellow hirsute, secondary veins4–7 on each side of midvein and inconspicuous, base attenuate,oblique, and shortly decurrent onto petiole, margin crenate andciliate, apex acuminate and often falcate. Inflorescences axillaryor terminal, spicate with 1–4 small capitula borne singly alongrachis; capitula 2–8-flowered, to 4 cm apart; rachis 3–7 cm,often basally with a pair of sterile leaflike bracts so leavessometimes appearing verticillate, densely white or yellow pilose;bracts linear-oblanceolate, 3–8 × 0.8–1.5 mm, persistent,pilose, apex obtuse; bracteoles ca. 6 × 1 mm, linear, white pilose.Calyx 5-lobed almost to base; lobes ovate to lanceolate,pilose on both surfaces except basally inside, abruptly narrowedat middle with an obtuse often apically recurved cauda 11–14 ×1.5–5 mm; one lobe ca. 2 mm longer than others. Corolla palewhitish purple, ca. 2.5 cm, curved, outside pubescent; tube basallynarrow and cylindric for ca. 6 mm then abruptly inflatedand widened to ca. 1 cm at mouth; lobes oblong, ca. 4 × 3.5mm. Stamens 4, included; shorter filament pair ca. 3 mm, glabrous;longer filament pair 5–6 mm, base pilose; anther thecaeoblong, ca. 2 × 0.5 mm; pollen type 3. Ovary glabrous; style ca.1.8 cm, pilose and gland-tipped pubescent. Capsule oblong, ca.10 × 3 mm, glabrous, 4-seeded; seeds ovate in outline, ca. 3 ×2.5 mm, pubescent. Fl. Jul–Aug, fr. Dec.Thickets, tropical forests; 1600–1800 m. Yunnan [Myanmar,?Nepal].Strobilanthes congesta is a very distinct species because of theform of its inflorescence and unique calyx.71. Strobilanthes larium Handel-Mazzetti, Symb. Sin. 7: 893.1936.闭 花 马 蓝 bi hua ma lanHerbs to 1.5 m tall, isophyllous. Branches 4-angled, sulcate,silky gland-tipped pubescent. Petiole 2–5 cm, sulcate, subglabrous;leaf blade ovate-elliptic, (5–)7–12 × (2–)3–7 cm,abaxially glabrous except pilose along midvein, glaucous, andwith numerous cystoliths, adaxially green and subglabrousexcept for few large-celled multicellular trichomes along veins,secondary veins 6–8 on each side of midvein, base cuneate anddecurrent onto petiole, margin dentate and ciliate, apex acuminateand falcate. Inflorescences axillary, spikes, (1–)3–10 cm;bracts oblong, 1.5–4 × 0.2–0.5 cm, variable in size and apicallydiminishing in size, abaxially densely covered with white largecelledmulticellular trichomes especially toward base, marginsubentire; bracteoles linear, ca. 4 × 1 mm, puberulent. Calyx 1–1.2 cm, 5-lobed almost to base; lobes unequal with one largerthan others, outside puberulent, margin large-celled multicellularpubescent with gland-tipped trichomes. Corolla purplish,curved, 3.5–4 cm, outside densely whitish pubescent whenyoung but glabrescent, inside densely pubescent when youngbut glabrescent except for trichomes below lobe bases; tubebasally cylindric and ca. 3 mm wide for ca. 5 mm then ventricose,bent to ca. 90°, and finally abruptly widened to ca. 1.3 cmat mouth; lobes oblong, ca. 5 × 4 mm, apex emarginate. Stamens4, included; filaments glabrous, shorter pair 3–4 mm,longer pair 6–7 mm; anther thecae oblong, ca. 3 × 1 mm. Ovaryglabrous; style 2.8–3 cm, apical part pilose. Capsule clavate, ca.1.5 cm, glabrous except for pilose apex, 4-seeded. Seeds ca. 2 ×1.5 mm, lenticular, densely covered with scalelike trichomes;areola ca. 0.3 mm. Fl. May–Sep.● By streams; 600–2700 m. Chongqing, Hubei, Hunan, Sichuan.72. Strobilanthes oresbia W. W. Smith, Notes Roy. Bot. Gard.Edinburgh 10: 196. 1918.山 马 蓝 shan ma lan