The genusIschnea (Asteraceae,Senecioneae) in New Guinea |
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Authors: | Ulf Swenson |
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Institution: | (1) Department of Systematic Botany, Uppsala University, Villavägen 6, S-752 36 Uppsala, Sweden |
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Abstract: | The endemic New Guinean genusIschnea
F. Muell. (Asteraceae, Senecioneae, Blennospermatinae) is revised and four species are recognized. Characters of special interest are tubeless ray florets, male disc florets, and secretory spaces in leaves. A principal component analysis is made on theIschnea elachoglossa
F. Muell. complex which shows great variation. One new species,I. capellana
Swenson, from the Star Mountains, is described. A key, illustrations, and distribution maps to all species are supplied. |
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Keywords: | Asteraceae Senecioneae Blennospermatinae Ischnea Revision taxonomy |
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