Scleromitrion

Ny Scleromitrion dia vondron-karazana zavamaniry mamony ao amin' ny fianakaviana Rubiaceae, ao amin' ny filaharana Gentianales, teratany any Azia trôpikaly sy sobtrôpikaly ary any Pasifika andrefana. Ity vondron-karazana ity dia noforonina voalohany tamin' ny taona 1834 ampahany ao amin' ny vondron-karazana Hedyotis, fizaràna Scleromitrion, ary natsangana ho vondron-karazana mahakeo tena tamin' ny taona 1838.

 Karazana 
Tamin' ny Janoary 2023, ny Plants of the World Online dia nanaiky ireto karazana manaraka ireto:

 Scleromitrion angustifolium (Cham. & Schltdl.) Benth.
 Scleromitrion brachypodum (DC.) T.C.Hsu
 Scleromitrion capitatum Miq.
 Scleromitrion delicatum (Halford) K.L.Gibbons
 Scleromitrion diffusum (Willd.) R.J.Wang
 Scleromitrion galioides (F.Muell.) K.L.Gibbons
 Scleromitrion gibsonii (Halford) K.L.Gibbons
 Scleromitrion gracilipes (Craib) Neupane & N.Wikstr.
 Scleromitrion intonsum (Halford) K.L.Gibbons
 Scleromitrion kerrii (Craib) Wangwasit & Chantar.
 Scleromitrion koanum (R.J.Wang) R.J.Wang
 Scleromitrion laceyi (Halford) K.L.Gibbons
 Scleromitrion largiflorens (Halford) K.L.Gibbons
 Scleromitrion leptocaule (Halford) K.L.Gibbons
 Scleromitrion linoides (Griff.) Neupane & N.Wikstr.
 Scleromitrion pauciflorum (Bartl. ex DC.) Miq.
 Scleromitrion pinifolium (Wall. ex G.Don) R.J.Wang
 Scleromitrion polycladum (F.Muell.) K.L.Gibbons
 Scleromitrion scleranthoides (F.Muell.) K.L.Gibbons
 Scleromitrion sirayanum T.C.Hsu & Z.H.Chen
 Scleromitrion subulatum (Korth.) K.L.Gibbons
 Scleromitrion tenelliflorum (Blume) Korth.
 Scleromitrion tenuifolium (Burm.f.) K.L.Gibbons
 Scleromitrion thysanotum (Halford) K.L.Gibbons
 Scleromitrion verticillatum (L.) R.J.Wang

 Jereo koa 

 Oldenlandia
 Hedyotis