TABLE 1. Morphological comparison between Strobilanthes spathulatibracteata and S in Strobilanthes spathulatibracteata, a new species of Acanthaceae from northern Vietnam

TABLE 1. Morphological comparison between Strobilanthes spathulatibracteata and S. tonkinensis (data from Deng et al. 2010; Lindau 1897 and taken from specimens in HN herbarium) MorphologicalS. spathulatibracteataS. tonkinensischaractersHabitperennial undershrub, ca. 2 m tallherb, 0.5–1 m tallStemhirsute when young and glabrescent when old, notpubescent, glabrescent, fragrant when dryfragrantLeaf smellnot fragrantfragrantSecondary veins8–11 pairs4–7 pairsPetiole3–5 cm, hirsuteto 2 cm, pubescentLeaf blade indumentumadaxially hirsute when young then subglabrous,both surfaces sparsely pubescent especially on veinsabaxially pubescent, hirsute along the veins andsecondary veinsBract23–25 × 2–5 mm, spathulate10–12 × 2–2.5 mm, bracts linear-spathulateApex of bracttruncate or rounded and retuseobtuseSurface of bractboth surfaces subglabrous (margin long-ciliate withsparsely pubescent and gland-tipped pubescent,gland-tipped hairs), pinnately veined1-veinedBracteolesca. 20 × 2 mm, spathulate, both surfacesca. 5 × 1 mm, linear, pubescentsubglabrous, margin long-ciliate with gland-tippedhairsCalyx2-lipped; lower lip 2-lobed to 1/3 length, upper lipcalyx 5-lobed to base; lobes linear, 8–9 × ca. 1 mm,equally 3-lobed to 1/3 length; lobes oblong, marginsubequal, pubescentlong-ciliate, gland-tipped hirsute; both surfacessubglabrousCorollawhite with purple stripes, 3.5–4.5 cm long; outsidepink to pure white, ca. 3.2 cm long, outside glabrous,puberulent, inside hirsuteinside glabrous except for trichomes retaining styleFilamenthirsute basally, glabrous abovethe longer pair puberulent; the shorter pair glabrousOvarynarrowly obovoid, densely covered with glandularobovoid, gland-tipped pilose at the tiphairsStyleca. 2.5 cm long, sparsely pilose near base andca. 1.5 cm long, glabrousdensely pilose near apexCapsule15–16 × 4–5 mm, apically pubescent8–10 × 2.5 mm, gland-tipped piloseSeedovate to suborbicular, 4–4.5 × 4 mm, pubescent withovate, ca. 2 × 2 mm, pubescentappressed mucilaginous hairs表1. 匙苞紫云菜（Strobilanthes spathulatibracteata）与东京紫云菜（Strobilanthes tonkinensis）的形态特征比较（数据源自邓等2010年、林道1897年，标本取自HN标本馆） 1. 生长习性：匙苞紫云菜系多年生亚灌木，高约2米；东京紫云菜系草本，高0.5–1米。 2. 茎：匙苞紫云菜幼茎被长硬毛，老时近无毛；东京紫云菜茎无柔毛，老时近无毛，干后具香气。 3. 叶片气味：匙苞紫云菜无香气；东京紫云菜具香气。 4. 侧脉：匙苞紫云菜具8–11对侧脉；东京紫云菜具4–7对侧脉。 5. 叶柄：匙苞紫云菜叶柄长3–5厘米，被长硬毛；东京紫云菜叶柄长达2厘米，被柔毛。 6. 叶片毛被：匙苞紫云菜幼叶叶面被长硬毛，后近无毛，叶两面疏被柔毛，尤以叶脉处为显著；东京紫云菜叶背被柔毛，沿叶脉及侧脉被长硬毛。 7. 苞片：匙苞紫云菜苞片长23–25×2–5毫米，呈匙形；东京紫云菜苞片长10–12×2–2.5毫米，呈线状匙形。 8. 苞片先端：匙苞紫云菜苞片先端截形或圆形，微凹；东京紫云菜苞片先端钝圆。 9. 苞片表面：匙苞紫云菜苞片两面近无毛，边缘具长缘毛并杂有腺头毛，具羽状脉；东京紫云菜苞片被疏柔毛及腺头柔毛，具1脉。 10. 小苞片：匙苞紫云菜小苞片长约20×2毫米，呈匙形，两面近无毛，边缘具长缘毛并杂有腺头毛；东京紫云菜小苞片长约5×1毫米，呈线形，被柔毛。 11. 花萼：匙苞紫云菜花萼二唇形，下唇2裂至全长1/3处，上唇3裂至全长1/3处，裂片近等大，长圆形，边缘被柔毛；东京紫云菜花萼5深裂至基部，裂片线形，长8–9×约1毫米，边缘具长缘毛并被腺头长硬毛，两面近无毛。 12. 花冠：匙苞紫云菜花冠白色，具紫色条纹，长3.5–4.5厘米，外面被微柔毛，内面被长硬毛；东京紫云菜花冠粉红色至纯白色，长约3.2厘米，外面无毛，内面除宿存花柱的毛茸外无毛。 13. 花丝：匙苞紫云菜花丝基部被长硬毛，上部无毛；东京紫云菜较长的一对花丝被微柔毛，较短的一对无毛。 14. 子房：匙苞紫云菜子房狭倒卵形，密被腺毛；东京紫云菜子房倒卵形，顶端具腺头柔毛。 15. 花柱：匙苞紫云菜花柱长约2.5厘米，基部疏被柔毛，顶端密被柔毛；东京紫云菜花柱长约1.5厘米，无毛。 16. 蒴果：匙苞紫云菜蒴果长15–16×4–5毫米，顶端被柔毛；东京紫云菜蒴果长8–10×2.5毫米，被腺头柔毛。 17. 种子：匙苞紫云菜种子卵形至近圆形，长4–4.5×4毫米，被贴生粘质毛；东京紫云菜种子卵形，长约2×2毫米，被柔毛。