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Family Rubiaceae
Hedyotis costata
Hedyotis costata (Roxb.) Kurz

Scientific names Common names
Hedyotis costata (Roxb.) Kurz                      Unresolved No local name
Hedyotis costata (Roxb.) Kurz is an unresolved name. The Plant List
Quisumbing's compilation list Hedyotis costata (Roxb.) Kurz. with the following synonyms: Hedyotis vestita R. Br.; Metabolus caeruleus Blume, Metabolus lineatus Bartl., Spermacoce costata Roxb.

Other vernacular names
CHINESE: Ma er cao.

Botany
Hedyotis costata is a rather coarse, spreading, diffuse, villous herb 30 to 60 centimeters long. Leaves are petioled, elliptic-lanceolate, 5 to 11 centimeters long, and 1 to 3 centimeters wide. Cymes are villous, small, borne in the axils of the leaves, and furnished with short stalks under 1.5 centimeters long. Flowers are very small, white, and crowded in small heads. Fruit is a capsule, small, rounded and hairy.

Distribution
- In open grasslands and thickets at low altitudes in Rizal, Laguna, Camarines, and Sorsogon Provinces in Luzon; and in Culion, Busuanga, Palawan, and Mindanao.
- Also occurs in India, and through Malaya to the Moluccas.

Parts used
Roots.

Uses

Folkloric
- Roots boiled and made into a lotion for rheumatism.
- In Chinese medicine, used for malaria, hepatitis, rheumatism, conjunctivitis. The plant is an ingredient in a polyherbal formulation for atrophic rhinitis. (1)

Studies
No studies found.

Availability
Wild-crafted.

Godofredo U. Stuart Jr., M.D.

Last Update March 2017
Updated November 2015


IMAGE SOURCE: Hedyotis costata / Subject Database of China Plant <http://www.naturemuseum.net/album/ShowPhoto.aspx?photoid=2671c974-77ca-44f9-b304-0f16660a06f7> / click on image to go to source pages / Helixcn
Additional Sources and Suggested Readings
(1)
Traditional Chinese medicine for treating atrophic rhinitis / CN 103006933 A
(2)
Hedyotis costata / The Plant List
It is not uncommon for links on studies/sources to change. Copying and pasting the information on the search window or using the DOI (if available) will often redirect to the new link page.

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