The identity of Drimia purpurascens, a name usually synonymised to the African D. elata, is clarified. Morphological data in the protologue allow identification of the former with the Mediterranean D. undata (Urginea undulata), which is usually treated as belonging to Charybdis, a genus morphologically and molecularly separated from both Drimia s.str. and Urginea. However, Charybdis is considered to be illegitimate and hence unavailable for use, and when treated as different from Drimia and Urginea, the name Squilla might be applied. A binding decision was requested from the Nomenclature Committee for Vascular Plants on whether Scilla and Squilla are sufficiently alike to be confused. In the meantime, Drimia is here accepted to include, among others, two morphologically distinct aggregates: the “D. undata group” and the “D. maritima group”. The present contribution focusses on the former, in which three species are recognised that show clear morphological and biogeographical differences. Two specific names are revived: D. purpurascens (for D. undata) and D. serotina (for D. tazensis), the latter established as a new combination. Furthermore, a new species (D. palaestina sp. nov.) is described for the easternmost Mediterranean populations referred to D. undata. Similarly, one additional combination, D. secundiflora, is effected in the “Drimia maritima group”. Nomenclatural types (including 3 new lectotypes, 2 new neotypes and 1 new epitype) are indicated, and synonyms are shown for each accepted taxon. The taxonomic treatment for the “D. undata group” including chromosome numbers, phenology, habitats, distribution, and conservation status is presented. An identification key is also reported.

中文翻译：

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Drimia purpurascens 的身份，对“Drimia undata”组（风信子科 = Asparagaceae subfam. Scilloideae）采用新的命名和分类方法

Drimia purpurascens（通常与非洲 D. elata 同义）的身份得到澄清。原型中的形态学数据允许将前者与地中海 D. undata (Urginea undulata) 进行鉴定，后者通常被视为属于 Charybdis，该属在形态和分子上与 Drimia s.str. 分离。和乌尔吉尼亚。然而，Charybdis 被认为是非法的，因此无法使用，当被视为与 Drimia 和 Urginea 不同时，可能会使用 Squilla 名称。维管植物命名委员会要求就 Scilla 和 Squilla 是否足够相似以致混淆做出具有约束力的决定。与此同时，这里接受 Drimia 包括两个形态不同的聚合体：“D. undata 组”和“D. 海事集团”。目前的贡献集中在前者，其中三个物种被确认显示出明显的形态和生物地理差异。恢复了两个特定名称：D. purpurascens（用于 D. undata）和 D. serotina（用于 D. tazensis），后者作为一个新组合建立。此外，描述了地中海最东端种群的一个新物种（D. palaestina sp. nov.），称为 D. undata。类似地，另一种组合 D. secundiflora 在“Drimia maritima group”中起作用。显示了命名类型（包括 3 个新的选型、2 个新的新型和 1 个新的表型），并为每个接受的分类单元显示了同义词。“D.”的分类处理 undata group”，包括染色体数量、物候、栖息地、分布和保护状态。