中国四川芭蕉属(芭蕉科)一新变种——雷波野芭蕉

Musa luteola J.L.Liu var.leiboensis J.L.Liu et Q.Luo,a new variant of Musa(Musaceae) from Sichuan,China

描述了芭蕉属(芭蕉科)一新变种——雷波野芭蕉(Musa luteola J.L.Liu var.leiboensis J.L.Liu et Q.Luo),并绘制了形态图。新变种以其叶基部渐狭至楔形,叶柄和叶鞘两侧具纸质或干膜质的翅,花序下垂,椭圆形或卵状椭圆形,先端圆,苞片外面淡黄色或绿黄色,先端圆或钝圆,每苞片内有花二列,果序球状、近球状或椭圆状球形,果实密集与黄色野芭蕉(Musa luteola J.L.Liu)相近似,但主要又以子房具5～9钝状棱角,浆果较大,长(6.7～)8.5～11.9 cm,宽5～7.2 cm,具5～9钝状棱角,果梗较长1～1.5 cm而有显著区别。

Musa luteola J. L. Liu var. leiboensis J. L. Liu et Q. Luo,a new variant of Musacese from Sichuan, China, was described and illustrated. It was similar to Musa luteola J. L. Liu on its leaf blade with attenuate to cuneate base,petiole and vagina with chartaceous or scarious aliferous on both sides, pendulous,ellipsoidal or oviform-ellipsoidal inflorescence with round apex,yellowish or greenish- yellowish on the outside bracts with round or obtusely round apex, biserial flowers in every bract, globose, subglobose or ellipsoidal-globose infrutescence and dense fruits, but it differed in having 5 to 9 obtusely angulate ovary, bigger bacca which was （6.7-） 8.5 to 11.9 cm long and 5 to 7.2 cm wide with 5 to 9 obtusely angulates ,longer stalk fruit （1 to 1.5 cm）. Habitat and plant photos ofMusa luteola J. L. Liu var. leiboensis J. L. Liu et Q. Luo in the wild were also provided.