秦岭附地菜Trigonotis giraldii

秦岭附地菜Trigonotis giraldii

秦岭附地菜Trigonotis giraldii

中文名(Chinese Name):秦岭附地菜
学名(Scientific Name):Trigonotis giraldii Brand
英文名(English Common Name):
别名(Chinese Common Name):
异名(Synonym):
科属(Family & Genus):紫草科(Boraginaceae)牛附地菜属
形态特征(Description):多年生草本。茎细弱,直立,高30-50厘米,具纵棱,不分枝,疏生短伏毛。茎下部叶较小,花期多枯萎;茎中部及上部叶近无柄或无柄,叶片披针形,长2.5-6厘米,宽0.5-1.2厘米,先端渐尖,基部狭楔形,下延,两面被细短伏毛,下面中肋显著隆起。花序无苞片,长4-5厘米,呈二叉式分枝,果期伸长,长6-7厘米,密被短伏毛;花梗细,果期长5-6毫米,比花萼长1.5-3倍;花萼5中裂,裂片长圆状倒卵形,长约2毫米,先端圆钝,常有一黑色圆点,被短伏毛;花冠蓝紫色,筒部短,长1.5毫米,檐部直径约5毫米,裂片长圆形,长2.8毫米,宽约2毫米,平展,喉部附属物半月形,厚,有短柔毛,高约0.6毫米,先端凹缺;花药椭圆形,长0.7毫米,伸达喉部。小坚果4,倒三棱锥状四面体形,暗褐色,平滑无毛,长约1毫米,背面凸起,三角形,具3锐棱,腹面3个面几等大,但内侧2个面微凹而外侧面略凸起,无柄。
分布(Distribution):产陕西,生于海拔2400-2900米山地灌丛、林缘及草坡。
用途(Use):
引自中国植物志英文版FOC Vol. 16 Page 368
Trigonotis giraldii Brand, Repert. Spec. Nov. Regni Veg. 26: 171. 1929.
秦岭附地菜 qin ling fu di cai | Boraginaceae  | Trigonotis
Herbs perennial. Stems erect, not branched, 30-50 cm tall, longitudinally ribbed, sparsely short strigose. Lower stem leaves mostly withered at anthesis, small; middle and upper stem leaves ± sessile, lanceolate, 2.5-6 cm × 5-12 mm, abaxially finely short strigose, base narrowly cuneate, decurrent, apex acuminate; midvein prominent. Inflorescences dichotomously branched, 4-5 cm, to 6-7 cm in fruit, densely strigose, ebracteate. Pedicel 5-6 mm in fruit. Calyx 5-lobed; lobes oblong-obovate, ca. 2 mm, 1 frequently black orbicular spotted, short strigose, apex rounded. Corolla blue-purple; tube ca. 1.5 mm; throat appendages lunate, pubescent, ca. 0.6 mm, apex emarginate; limb ca. 5 mm wide; lobes divaricate, oblong, ca. 2.8 × 2 mm. Anthers elliptic, ca. 0.7 mm, exserted to throat. Nutlets dark brown, inverted subulate, trigonous-tetrahedral, ca. 1 mm, glabrous, adaxial 3 surfaces subequal in size; abaxial surfaces convex, triangular, acutely 3-ribbed, sessile. Fl. and fr. May-Jul.
* Thickets, forest margins, hillside meadows; 2400-2900 m. Shaanxi.
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