《中国植物志》|| 龙胆科 GENTIANACEAE ||大花组 Sect. Macranthos T. N. Ho et S. W. Liu ||粗壮獐牙菜 Swertia hookeri C. B. Clarke

35．粗壮獐牙菜
Swertia hookeri C. B. Clarke in Hook. f. Fl. Brit. Ind. 4: 127. 1883; W. W. Smith et G. H. Cave in Rec. Bot. Surv. Ind. 4: 224. 1911: S. Nilsson in Grana Palyn. 7(1): 111. 1967; H. Smith in Bull. Brit. Mus. Bot. 4(6): 242. pl. 23, f. 2, a-d. 1970; Hara, Chater et Williams, Enum. Fl. Pl. Nepal 3: 97. 1982.
多年生草本，高25-80厘米。茎紫红色，有条棱，中空，直径6-13毫米。基生叶匙状椭圆形，长约10厘米，宽约2.5厘米；茎生叶对生，下部叶有柄，上部叶无柄，椭圆形，长7.5-12厘米，宽2-3厘米，先端钝至急尖，下部叶基部钝或渐狭，上部叶心形，边缘近平滑，叶脉5-7条。聚伞花序腋生，密集或有间断，组成圆锥状花序；花梗长3-50毫米；花4数，有时俯垂，直径2-2.5厘米；花萼裂片卵形或卵状椭圆形，长8-15毫米，宽5-7毫米，先端急尖，脉不明显；花冠紫色，具蓝色纵脉纹，裂片长12-17毫米，宽8-11毫米，先端钝圆，基部具1个卵圆形、裸露的腺窝；花丝线形，长6-7毫米，稍扩大，花药蓝色，矩圆形，长2.5-3毫米；子房卵状椭圆形，长约5毫米，花柱短，长约2.5毫米，柱头极短。蒴果亮褐色，长约17毫米，宽约6毫米；种子扁平，盘状，直径约3.2毫米，平滑，周缘有翅。花果期7-8月。
产我国西藏。生于草坡，海拔4000-4200米。尼泊尔、锡金（模式标本产地）、不丹也有分布。

《Flora of China》|| Gentianaceae || Swertia ||粗壮獐牙菜 Swertia hookeri

32. Swertia hookeri C. B. Clarke in J. D. Hooker, Fl. Brit. India. 4: 127. 1883.

粗壮獐牙菜 cu zhuang zhang ya cai

Perennials 25-80 cm tall. Taproot stout. Stems single, erect, robust, 6-13 mm in diam., angular. Leaves mostly basal, in a rosette; petiole flattened, 1-2 cm, base connate; leaf blade elliptic-spatulate to oblong, 6-20 × 2-5 cm, base narrowed, apex rounded; veins 3-5, arcuate. Stem leaves in whorls of 3-6; sessile or short petiolate, base free or slightly connate; leaf blade ovate-spatulate, ovate-oblong, or ovate, 7.5-12 × 2-3 cm, apex acuminate to obtuse; veins 5-7, arcuate. Inflorescences verticillasterlike, many flowered. Flowers 4merous, sometimes nodding. Pedicel erect, 3-5 cm, striate. Calyx lobes ovate-elliptic to ovate, 0.8-1.5 cm × 5-7 mm, base obtuse, apex acute, veins 1-3. Corolla pale blue-green to pale purple, with blue veins, campanulate, 2-2.5 cm in diam., tube 2-3 mm; lobes oblong to oblong-spatulate, 1.2-1.7 × 0.8-1.1 cm, apex rounded to truncate. Nectaries 1 per corolla lobe, orbicular, naked. Filaments 6-7 mm; anthers blue, ellipsoid, 2.5-3 mm. Style indistinct; stigma lobes suborbicular. Capsules ovoid, 1.2-1.8 cm. Seeds dark brown, compressed, ca. 3.2 mm in diam., discoid winged. Fl. and fr. Jul-Aug.

Meadows; 4000-4200 m. Xizang [Bhutan, Nepal, Sikkim].