Platostoma adalah satu genus dari famili (Lamiaceae).
Salah satu spesies dari genus ini, Platostoma palustre (sinonim Mesona procumbens dan Mesona chinensis), yang juga dikenal sebagai xiancao (仙草) dalam bahasa Mandarin, sian-chháu dalam bahasa Taiwan serta leung fan cao (涼粉草) dalam bahasa Kanton, adalah penghasil panganan cincau, terutama cincau hitam. Tanaman ini memiliki khasiat peluruh atau diuretik dan digunakan dalam masakan Taiwan sebagai minuman yang panas dan kental.
- Platostoma africanum P.Beauv — tropical Africa, southern India, Lesser Sunda Islands in Indonesia
- Platostoma annamense (G.Taylor) A.J.Paton — Vietnam, Thailand, Cambodia
- Platostoma axillaris (Benth.) A.J.Paton — Assam
- Platostoma becquerelii Suddee & A.J.Paton — Cambodia
- Platostoma borzianum (Chiov.) ined.. — Ethiopia
- Platostoma calcaratum (Hemsl.) A.J.Paton — southern China, northern Indochina
- Platostoma cambodgense Suddee & A.J.Paton — Vietnam, Thailand, Cambodia, Laos
- Platostoma clausum (Merr.) A.J.Paton — Culion Island in Philippines
- Platostoma cochinchinense (Lour.) A.J.Paton — southern China, Indochina, Java, Sumatra
- Platostoma coeruleum (R.E.Fr.) A.J.Paton — Angola, Zambia
- Platostoma coloratum (D.Don) A.J.Paton — Yunnan, eastern Himalayas, northern Indochina
- Platostoma denticulatum Robyns — central Africa from Cameroon east to Tanzania and south to Angola
- Platostoma dilungense (Lisowski & Mielcarek) A.J.Paton — Zaïre, Tanzania, Zambia, Malawi
- Platostoma elongatum (Benth.) A.J.Paton — Sri Lanka, southern India
- Platostoma fastigiatum A.J.Paton & Hedge — Madagascar
- Platostoma fimbriatum A.J.Paton — Thailand
- Platostoma gabonense A.J.Paton — Cameroon, Gabon, Tanzania
- Platostoma glomerulatum A.J.Paton & Hedge — Madagascar
- Platostoma grandiflorum Suddee & A.J.Paton — eastern Indochina
- Platostoma helenae (Buscal. & Muschl.) ined.. — Mozambique
- Platostoma hildebrandtii (Vatke) A.J.Paton & Hedge — Kenya, Tanzania
- Platostoma hispidum (L.) A.J.Paton — Southeast Asia, southern China, Assam, New Guinea
- Platostoma intermedium A.J.Paton — Thailand
- Platostoma kerrii Suddee & A.J.Paton — Thailand, Cambodia
- Platostoma lanceolatum (Chermsir. ex Murata) A.J.Paton — Thailand
- Platostoma laxiflorum A.J.Paton & Hedge — Madagascar
- Platostoma leptochilon Robyns — Zaïre
- Platostoma longicorne (F.Muell.) A.J.Paton — Queensland, New Guinea
- Platostoma madagascariense (Benth.) A.J.Paton & Hedge — Madagascar
- Platostoma mekongense Suddee — Thailand
- Platostoma menthoides (L.) A.J.Paton — Sri Lanka, southern India
- Platostoma montanum (Robyns) A.J.Paton — Zaïre, Tanzania, Rwanda, Burundi
- Platostoma ocimoides (G.Taylor) A.J.Paton — Thailand, Cambodia
- Platostoma palniense (Mukerjee) A.J.Paton — southern India
- Platostoma palustre (Blume) A.J.Paton — Cincau Hitam
- Platostoma rotundifolium (Briq.) A.J.Paton — tropical and southern Africa
- Platostoma rubrum Suddee & A.J.Paton — Thailand, Laos
- Platostoma siamense (Murata) A.J.Paton — Thailand
- Platostoma stoloniferum (G.Taylor) A.J.Paton — Thailand, Laos
- Platostoma strictum (Hiern) A.J.Paton — Zaïre, Angola, Zambia, Malawi
- Platostoma taylorii Suddee & A.J.Paton — Thailand, Cambodia
- Platostoma tectum A.J.Paton — Thailand, Cambodia, Laos
- Platostoma tenellum (Benth.) A.J.Paton & Hedge — Madagascar
- Platostoma thymifolium (Benth.) A.J.Paton & Hedge — Madagascar
- Platostoma tridechii Suddee — Thailand
- Platostoma verbenifolium (Watt ex Mukerjee) A.J.Paton — Assam, Bangladesh, Arunachal Pradesh, Myanmar