Acanthaceae (PDF)

ACANTHACEAE 423108. Strobilanthes dimorphotricha Hance, J. Bot. 21: 355.1883.球 花 马 蓝 qiu hua ma lanHerbs 40–150 cm tall, perennial, much branched, isophyllousor anisophyllous. Stems apically somewhat zigzag, glabrousor yellowish pubescent. Petiole 0.5–1.5 cm, sparsely pubescentor glabrous; leaf blade elliptic, elliptic-lanceolate,ovate, oblong, or oblong-elliptic, 1.5–15 × 0.5–4.5 cm, smallerof pair 1/3–2/3 size of larger one, adaxially dark green, whiteappressed pubescent, and with slightly prominent cystoliths,abaxially glabrous or whitish pubescent along veins and with orwithout multicellular trichomes, secondary veins 5–7 on eachside of midvein and sometimes forming a net near margin, basecuneate to attenuate, margin serrulate, apex acuminate, caudate,or acute. Inflorescences axillary or terminal, headlike spikes,subspherical, very compact, 2- or 3-flowered, usually 1–3 spikesforming a forked panicle; peduncle ca. 2.5 cm, glabrous or pubescent;bracts ovate-elliptic, 1–1.3 cm, caducous, glabrous,apex acute to acuminate; bracteoles lanceolate, ca. 5 mm, caducous.Calyx 7–9 mm, accrescent to 1.5–1.7 cm, 5-lobed almostto base; lobes lanceolate, gland-tipped pubescent, one lobeslightly longer than others. Corolla violet, 3–4 cm, slightlycurved, outside subglabrous to sparsely pilose, inside glabrousexcept for trichomes retaining style; tube basally cylindric andca. 2 mm wide for ca. 5 mm then ventricose and graduallywidened to ca. 1.5 cm at mouth; lobes orbicular, 5–6 mm indiam., subequal, apex emarginate. Stamens 4, included; filamentsglabrous; shorter filament pair ca. 2 mm, equal, incurved;longer filament pair 5–7 mm, unequal, erect; anther thecaespherical, ca. 1 mm in diam.; pollen type 3. Ovary pilose; styleca. 3.5 cm, pilose. Capsule oblong-clavate, 1.4–1.8 cm, glandtippedpubescent, 4-seeded. Seeds ca. 2.5 × 2.5 mm, lenticular,pubescent. Fl. Aug–Feb(–Apr).Thickets on limestone hills, streamsides, thickets by streams; 200–2200 m. Chongqing, Fujian, Guangdong, Guangxi, Guizhou, Hainan,Hubei, Hunan, Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [India,Laos, Myanmar, Thailand, Vietnam].Strobilanthes dimorphotricha has mistakenly been considered tobe synonymous with Goldfussia (= Strobilanthes) penstemonoides bymany authors.1a. Leaf blade ovate, elliptic, or ellipticlanceolate,pairs at each node quiteunequal in size, apex acuminateto caudate .............................. 108a. subsp. dimorphotricha1b. Leaf blade oblong to oblongelliptic,pairs at each nodeequal to subequal in size,apex acute .................................................. 108b. subsp. rex108a. Strobilanthes dimorphotricha subsp. dimorphotricha球 花 马 蓝 ( 原 亚 种 ) qiu hua ma lan (yuan ya zhong)Goldfussia chaffanjonii (H. Léveillé) E. Hossain; G. dimorphotricha(Hance) Bremekamp; G. equitans (H. Léveillé) E.Hossain; G. geniculata (C. B. Clarke) Bremekamp; G. psilostachys(C. B. Clarke ex W. W. Smith) Bremekamp; G. seguinii(H. Léveillé) C. Y. Wu & C. C. Hu; Strobilanthes burkilii Dunn;S. chaffanjonii H. Léveillé; S. equitans H. Léveillé; S. geniculataC. B. Clarke; S. geniculata var. integra C. B. Clarke; S.gracilis T. Anderson (1867), not Beddome (1864); S. laxicalyxHayata; S. marchandii H. Léveillé; S. psilostachys C. B. Clarkeex W. W. Smith; S. seguinii H. Léveillé.Leaf blade ovate, elliptic, or elliptic-lanceolate, pairs ateach node quite unequal in size, apex acuminate to caudate. Fl.Aug–Nov(–Apr).Thickets on limestone hills, streamsides; 200–2200 m. Chongqing,Fujian, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan,Jiangxi, Sichuan, Taiwan, Yunnan, Zhejiang [India, Vietnam].108b. Strobilanthes dimorphotricha subsp. rex (C. B. Clarke)J. R. I. Wood, Kew Bull. 61: 19. 2006.泰 国 马 蓝 tai guo ma lanStrobilanthes rex C. B. Clarke, Bot. Jahrb. Syst. 41: 68.1907; Goldfussia anfractuosa (C. B. Clarke) Bremekamp; G.rex (C. B. Clarke) Bremekamp; S. anfractuosa C. B. Clarke;S. penstemonoides (Nees) T. Anderson var. anfractuosa (C. B.Clarke) Benoist; S. penstemonoides var. rex (C. B. Clarke) Benoist.Leaf blade oblong to oblong-elliptic, pairs at each nodeequal to subequal in size, apex acute. Fl. Dec–Feb.Thickets by streams; 600–1600 m. Yunnan [Laos, Myanmar, Thailand,Vietnam].109. Strobilanthes glandibracteata D. Fang & H. S. Lo, Guihaia17: 38. 1997.腺 苞 马 蓝 xian bao ma lanGoldfussia glandibracteata (D. Fang & H. S. Lo) C. Y.Wu ex C. C. Hu.Herbs to 50 cm tall, anisophyllous. Stems 4-angled, sulcate,bifariously pubescent. Petiole (0–)3–7 mm, sparsely pubescent;leaf blade ovate-elliptic to rarely narrowly ovate orlanceolate, smaller of pair 2–3.5 × 0.4–2.9 cm and larger one5.5–12.5 × 2–4.5 cm, glabrous or sparsely pubescent alongveins, cystoliths prominent, secondary veins 4–7 on each sideof midvein, base attenuate, margin serrulate, apex caudate toacuminate. Inflorescences axillary, pedunculate heads; peduncle0.6–3.5 cm, simple or 3-furcately branched, sulcate, bifariouslypubescent, apically thickened; bracts elliptic to ovateelliptic,6–13 mm, caducous, multicellular gland-tipped pubescent,abaxially densely covered with cystoliths, apex acute;bracteoles lanceolate, ca. 5 × 1 mm. Calyx 5-lobed almost tobase; lobes lanceolate to linear, 6–8 mm, unequal with onelonger than others, outside multicellular gland-tipped pubescent.Corolla purple, ca. 3.5 cm, outside sparsely gland-tippedpilose but subglabrous at anthesis, inside glabrous except fortrichomes retaining style; tube basally cylindric and ca. 2 mmwide for ca. 8 mm then gradually widened to ca. 1.2 cm atmouth; lobes ovate, ca. 3 mm, apex emarginate. Stamens 4,included; filaments pilose; short filament pair ca. 2 mm, equal,incurved; longer filament pair 7–8 mm, unequal; anther thecaesubspherical, ca. 1.3 mm in diam., nodding. Ovary brownishgland-tipped pilose; style ca. 2.8 cm, gland-tipped pilose. Capsulenot seen. Fl. Oct.