All Floras      Advanced Search
FOC Vol. 6 Page 175 Login | eFloras Home | Help
FOC | Family List | FOC Vol. 6 | Ranunculaceae | Aconitum

53. Aconitum geniculatum H. R. Fletcher & Lauener, Notes Roy. Bot. Gard. Edinburgh. 20: 201. 1950.

膝瓣乌头 xi ban wu tou

Caudex unknown. Stem ca. 1 m tall, branched, glabrous, or yellowish spreading pubescent. Proximal cauline leaves long petiolate; petiole 3--5 cm, glabrous, base sheathed; leaf blade orbicular-pentagonal, 6--10 × 6--10 cm, adaxially sparsely appressed pubescent at veins, base cordate, 3-parted; central lobe rhombic, 3-fid; lateral lobes obliquely flabellate, 2-parted beyond middle. Inflorescence racemose or corymbose, 3--8.5 cm, 2--8-flowered; rachis and pedicels glabrous; bracts leaflike. Pedicel 2--4 cm, with 2 bracteoles at middle; bracteoles linear, 3.5--4.5 mm, glabrous. Sepals blue, abaxially glabrous; lower sepals oblong; lateral sepals broadly obovate, 1.3--1.4 cm, abaxially sparsely pubescent; upper sepal high galeate, ca. 1.6 cm high, lower margin 1.5--1.8 cm. Petals glabrous; claw geniculate at apex; limb ca. 1.1 cm; lip 4.5--5.5 mm, 2-lobed at apex; spur incurved or circinate, 2.5--4.5 mm. Stamens glabrous; filaments entire or 2-denticulate. Carpels 5, glabrous. Fl. Jul. 2n = 16*.

* Mountains, grassy slopes, wet grassy places, by streams; 3200--3600 m. Sichuan, Yunnan.

1 Petaline spur ca. 4.5 mm, circinate; lip ca. 5.5 mm   53d var. longicalcaratum
+ Petaline spur ca. 2.5 mm, incurved; lip ca. 4.5 mm.   (2)
2 (1) Stem yellowish spreading pubescent   53b var. unguiculatum
+ Stem glabrous.   (3)
3 (2) Upper sepal high galeate   53a var. geniculatum
+ Upper sepal galeate or lower galeate, oblique, broadest above middle   53c var. humilius


Related Objects  
  • Illustration
  • Illustration

    Flora of China @
    Browse by
    Advanced Search

    Flora of China Home




     |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |