Alyxia


Alyxia is a genus of flowering plants in the family, Apocynaceae. It contains at present 106 species, but Alyxia stellata and A. tisserantii are very variable, might be cryptic species complexes, and are need of further study. It consists of shrubby, climbing or scrambling plants. This genus occurs in China, the Himalayas, Southeast Asia, Australia, New Caledonia and the Pacific Islands. There are 14 species in Australia, 21 in New Caledonia and 7 in the other Pacific Islands, including Hawaii.
The leaves are opposite or in whorls of three to seven. There are colleters present in the leaf axils. The inflorescence is axillary or terminal with solitary flowers or simple cymes. Flowers consist of five petals and five sepals. The flowers have a slender tube which expands abruptly. The stamens have short filaments and are inserted in the upper half of the corolla. The fruit is a pair of drupes, originating from each flower.
Dysentery bush is used in herbalism and was made into a patented remedy by Albert Aspinall. Maile, endemic to the Hawaiian Islands, has sweet-smelling leaves and is much used for lei; formerly it was reserved for alii, but today it can be used by anyone and is a popular wedding decoration on the islands. Maile also provides food for Thyrocopa caterpillars and weevils of the genus Proterhinus. Alyxia spp. are also used in Jamu.

Species

The following is a list of Alyxia species accepted by Plants of the World Online as at September 2021:Image:Alyxia ruscifolia foliage and fruit.jpg|thumb|right|Chain Fruit
  • Alyxia acuminata K.Schum.
  • Alyxia angustifolia Ridl.
  • Alyxia angustissima Merr. & Quisumb.
  • Alyxia annamensis Pit.
  • Alyxia arfakensis Kaneh. & Hatus.
  • Alyxia baillonii Guillaumin
  • Alyxia balansae Pit.
  • Alyxia bracteolosa Rich. ex A.Gray
  • Alyxia buxifolia R.Br. – dysentery bush, sea box
  • Alyxia cacuminum Markgr.
  • Alyxia caletioides Guillaumin
  • Alyxia celebica D.J.Middleton
  • Alyxia clusiophylla Guillaumin
  • Alyxia composita Warb.
  • Alyxia concatenata Merr.
  • Alyxia cylindrocarpa Guillaumin
  • Alyxia defoliata Markgr.
  • Alyxia efatensis Guillaumin
  • Alyxia erythrosperma Gillespie
  • Alyxia evansii D.J.Middleton
  • Alyxia fascicularis Benth. ex Hook.f.
  • Alyxia floribunda Markgr.
  • Alyxia funingensis Tsiang & P.T.Li
  • Alyxia ganophylla Markgr.
  • Alyxia glaucophylla Van Heurck & Müll.Arg.
  • Alyxia globosa D.J.Middleton
  • Alyxia graciliflora D.J.Middleton
  • Alyxia gracilis Benth. ex Hook.f.
  • Alyxia grandis P.I.Forst.
  • Alyxia gynopogon Roem. & Schuit.
  • Alyxia hainanensis Merr. & Chun
  • Alyxia halmaheirae Miq.
  • Alyxia hurlimannii Guillaumin
  • Alyxia ilicifolia F.Muell.
  • Alyxia kaalaensis Boiteau
  • Alyxia kabaenae Markgr.
  • Alyxia kendarica Markgr.
  • Alyxia kwalotabaa D.J.Middleton
  • Alyxia lackii D.J.Middleton
  • Alyxia lamii Markgr.
  • Alyxia laurina Gaudich.
  • Alyxia leucogyne Van Heurck & Müll.Arg.
  • Alyxia linearis Markgr.
  • Alyxia loeseneriana Schltr.
  • Alyxia longiloba D.J.Middleton
  • Alyxia luzonensis Merr.
  • Alyxia magnifolia F.M.Bailey
  • Alyxia manusiana D.J.Middleton
  • Alyxia margaretae Boiteau
  • Alyxia marginata Pit.
  • Alyxia markgrafii Tsiang
  • Alyxia menglungensis Tsiang & P.T.Li
  • Alyxia microphylla Markgr.
  • Alyxia minutiflora D.J.Middleton
  • Alyxia monticola C.B.Rob.
  • Alyxia mucronata D.J.Middleton
  • Alyxia muguma D.J.Middleton
  • Alyxia mujongensis Markgr.
  • Alyxia multistriata Markgr.
  • Alyxia nathoi Trân Ðinh Lý
  • Alyxia oblongata Domin
  • Alyxia obovatifolia Merr.
  • Alyxia oleifolia King & Gamble
  • Alyxia oppositifolia Boiteau
  • Alyxia orophila Domin
  • Alyxia oubatchensis Guill. ex Boiteau
  • Alyxia palawanensis Markgr.
  • Alyxia papuana D.J.Middleton
  • Alyxia parvifolia Merr.
  • Alyxia pilosa Miq.
  • Alyxia podocarpa Van Heurck & Müll.Arg.
  • Alyxia poyaensis D.J.Middleton
  • Alyxia pseudosinensis Pit.
  • Alyxia pugio Markgr.
  • Alyxia pullei Markgr.
  • Alyxia punctata Kaneh. & Hatus.
  • Alyxia purpureoclada Kaneh. & Hatus.
  • Alyxia racemosa Pit.
  • Alyxia reinwardtii Blume
  • Alyxia ridleyana Wernham
  • Alyxia rostrata Markgr.
  • Alyxia royeniana Wernham
  • Alyxia rubricaulis Baill. Guimaumin
  • Alyxia ruscifolia R.Br. – chain fruit
  • Alyxia sarasini Guimaumin
  • Alyxia scabrida Markgr.
  • Alyxia schlechteri H.Lév.
  • Alyxia semipallescens F. Muell.
  • Alyxia siamensis Craib
  • Alyxia sinensis Champ. ex Benth.
  • Alyxia sleumeri Markgr.
  • Alyxia sogerensis Wernham ex S.Moore
  • Alyxia solomonensis D.J.Middleton
  • Alyxia spicata R.Br.
  • Alyxia squamulosa C.Moore & F.Muell.
  • Alyxia stellata Roem. & Schult.
  • Alyxia sulana Markgr.
  • Alyxia tetanifolia Cranfield
  • Alyxia tetraquetra Markgr.
  • Alyxia thailandica D.J.Middleton
  • Alyxia tisserantii Montrouz.
  • Alyxia torquata Baill. Guimaumin
  • Alyxia tropica D.J.Middleton
  • Alyxia uniflora D.J.Middleton
  • Alyxia veillonii D.J.Middleton
  • Alyxia vera D.J.Middleton