A revision of infrageneric classification in Astelia Banks & Sol. ex R. Br. (Asteliaceae)
Author
Birch, Joanne L.
Department of Botany, University of Hawaii at Manoa, Honolulu, HI, 96822, USA & Present address: Royal Botanic Gardens Victoria, Birdwood Avenue, Melbourne, Victoria 3004, Australia
joanne.birch@rbg.vic.gov.au
text
PhytoKeys
2015
2015-07-13
52
105
132
http://dx.doi.org/10.3897/phytokeys.52.4768
journal article
http://dx.doi.org/10.3897/phytokeys.52.4768
1314-2003-52-105
7231FF88FFDAFFDAFFE45C4DDD06DF0F
576273
Astelia
subg. Asteliopsis Skottsb.
Astelia subg. Asteliopsis
Skottsb., Kongl. Svenska Vetenskapsakad. Handl. ser. 3, 14(2): 46. 1934.
Note.
Flowers with a short perianth tube (0.2-1.1 mm); anthers dorsifixed, versatile; ovary uni- (
Astelia sect. Desmoneuron
) or trilocular (
Astelia sect. Isoneuron
); seeds obovoid, obovoid-reniform, or turbinate-polygonal; funicle ribbed, mucilaginous funicular hairs well developed that surround but do not adhere to the seed; Type:
Astelia trinervia
Kirk, designated here.
Remarks.
Phylogenetic analyses indicate that
Astelia subg. Asteliopsis
, as circumscribed by
Skottsberg (1934)
, is polyphyletic (Birch unpublished PhD thesis 2011,
Birch et al. 2012
).
Astelia subg. Asteliopsis
is revised to include
Astelia sect. Isoneuron
and
Astelia sect. Desmoneuron
, which form a clade. But, as
Astelia sect. Periastelia
, is placed in a different clade, it is excluded from
Astelia subg. Asteliopsis
.