Plant Systematics and Evolution

, Volume 148, Issue 3–4, pp 291–312 | Cite as

Heteromerikarpie und Fruchtpolymorphismus beiMicroparacaryum, gen. nov., (Boraginaceae)

  • Hartmut H. Hilger
  • Mechtild Balzer
  • Wolfgang Frey
  • Dieter Podlech
Article
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Heteromericarpy and fruit polymorphism inMicroparacaryum, gen. nov., (Boraginaceae)

Abstract

Microparacaryum (M. Pop. exH. Riedl)Hilger & Podlech is described as a new genus of theBoraginaceae-Cynoglosseae. It comprises the annual species hitherto included inParacaryum (DC.)Boiss. andMattiastrum (Boiss.)Brand. Distribution maps are given for all 3 genera.Microparacaryum consists of two species,M. salsum (Boiss.)Hilger & Podlech (M. s.) andM. intermedium (Fresen.)Hilger & Podlech (M. i.). ParticularlyM. i. is a very variable species, and most of the species formerly recognized belong here. Scattered all over the range of the genus, plants occur with nutlets exhibiting flat or incurved marginal wings, often in mixed populations. This fruit polymorphism is taxonomically treated by recognizing “formae”. In addition, the following new infraspecific taxa and combinations are described:M. i. var.intermedium formaparacaryoidesHilger & Podlech,M. i. var.stellatum (H. Riedl)Hilger & Podlech,M. i. var.stellatum formamattiastroidesHilger & Podlech,M. s. formamattiastroidesHilger & Podlech.

Key words

Angiosperms Boraginaceae Microparacaryum gen. nov. Paracaryum Mattiastrum Taxonomy distribution maps heteromericarpy fruit polymorphism Flora of Western Asia (Turkey, U.S.S.R., Iran, Iraq, Afghanistan, Pakistan) 
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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • Hartmut H. Hilger
    • 1
  • Mechtild Balzer
    • 2
  • Wolfgang Frey
    • 3
  • Dieter Podlech
    • 4
  1. 1.Abt. Spezielle Botanik (Bio V)Universität Ulm, Oberer EselsbergUlm/DonauBundesrepublik Deutschland (Sonderdruckanforderungen)
  2. 2.GießenBundesrepublik Deutschland
  3. 3.Institut für Systematische Botanik und Pflanzengeographie der FUBerlin 33Germany
  4. 4.Institut für Systematische BotanikMünchen 19Bundesrepublik Deutschland

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