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系1. 征镒翠雀花系 Ser. Flavidilimba

2020-09-12

广西植物 2020年13期
关键词:草丛四川

Ser. Flavidilimba W. T. Wang, ser. nov. Type: Delphinium zhenyianum Y. Luo & Q. E. Yang.

Flores parvi, in racemum compositum dispositi. Sepala 5-7 mm longa, prope apicem sub angulo 45° incurvata. Carpella glabra.

花小,组成复总状花序。萼片长5~7 mm,近顶端成直角向内弯曲。心皮无毛。

1种, 产于四川西部。

160. 征镒翠雀花

Delphinium zhengyianum Y. Luo & Q. E. Yang in herb., sp. nov. Type 四川(Sichuan):道孚县,各卡乡,各卡村 (Daofu County, Geka Town, Geka Village), alt. 3 300 m,沟边,花白色,上萼片深紫色 (by stream, fls. white, upper sepal deep purple), 2001-08-02, 罗艳 (Y. Luo) 351 (holotype, PE); 雅江县,剪子弯兵站 (Yajiang County, Jianziuan military depot), alt. 3 200 m,路边草丛中,萼片白色,上萼片深紫色 (among grasses by road, sepals white, upper sepal deep purple), 2001-08-29,羅艳 357 (paratype, PE)。

Herbs perennial, ca. 1 m tall. Stems below very sparsely spreading-pubescent, above subglabrous, simple, several-leaved. Basal leaves not seen. Cauline leaves long or shortly petiolate; blades papery, pentagonal, 6-7 × 8-11 cm, at base cordate, 3-parted, central primary lobe rhombic, near the middle 3-lobed, secondary lobes with a few lobules and teeth, lateral primary lobes obliquely flabellate, unequally 2-parted; surfaces both densely puberulous; petioles 4.6-9 cm long. Compound racemes terminal, ca. 32 cm long; bracts foliaceous; pedicels 5-13 mm long, spreading-puberulous, below to above 2-bracteolate; bracteoles filiform, 3-5 mm long, glabrous. Sepals outside puberulous, inside subglabrous, near apex by right angle incurved, upper sepal deep purple, navicular-ovate, 6 × 2.2 mm, spur subulate, 6-7 mm long, at base 1.5-2 mm across, lateral sepals white, oblong, 6 × 2 mm, lower sepals also white, navicular-oblong, 6-7 × 2 mm. Petals yellowith, glabrous, undivided. Staminodes concolour with petals; limbs ovate, 3 × 2 mm, 2-lobed, above ciliate, adaxially on the middle white-barbate; claws linear, 2.8 mm long, glabrous. Stamens glabrous. Carpels 3, glabrous.

特产于四川西部。生于山地沟边或路边草丛中, 海拔3 200~3 300 m。

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