广西报春苣苔属一新种——泡叶报春苣苔

Primulina bullata,a new species of Primulina (Gesneriaceae) from Guangxi

报道了分布于广西石灰岩山地及岩溶洞穴的苦苣苔科Gesneriaceae报春苣苔属Primulina Hance一新种---泡叶报春苣苔P.bullataS.N.Lu&FangWen。泡叶报春苣苔与荔波报春苣苔P.liboensis(W.T.Wang&D.Y.Chen)Mich.Mller&A.Weber和桂林报春苣苔P.gueilinensis(W.T.Wang)Y.Z.Wang相近,以叶两面均具直立柔毛,叶上面呈显著泡状,具较多花序,(1)2～9条,花序梗较长,(4.0)8.5～15cm,苞片线形或线状披针形,大小为7mm×1mm,花大,长4.2～5.3cm,粉紫色,退化雄蕊较长,13～15mm,花期在11月而区别。

A new species,Primulina bullata S. N. Lu ＆ Fang Wen,which grows in limestone hills and limestone caves from Guangxi is described and illustrated. It is similar to P. liboensis（W. T. Wang ＆ D. Y. Chen）Mich. M011er ＆ A. We- ber and P. gueilinensis（W. T. Wang）Y. Z. Wang, but differs above-mentioned two relatives by having erect pubescence on both leaf blade surfaces,upper surface of leaf blade with distinctly rounded,bullate projections, （1）2-9 or more cymes, longer peduncle, （4. 0）8. 5-15 cm,linear or linear-lanceolate bracts,ca. 7 minx I mm,larger flower,4. 2-5. 3 cm long, purplish-pink corolla, staminodes longer, 13-- 15 mm long, flowering time in November.