''Mastixia rostrata'' subsp. ''caudatifolia'' is a

subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

of ''

Mastixia rostrata ''Mastixia'' is a genus of about 19 species of resinous evergreen trees, usually placed in the family Cornaceae. Its range extends from India through Southeast Asia and New Guinea to the Solomon Islands. ''Mastixia'' species have alternate or opp ...

''. It is a tree in the family

Nyssaceae Nyssaceae is a family of flowering trees sometimes included in the dogwood family (Cornaceae). Nyssaceae is composed of 37 known species in the following five genera:Averyanov, L. V. & Hiep, N. T. (2002). ''Diplopanax vietnamensis'', a New Specie ...

. The infraspecific epithet ' is from the

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

meaning "tapered leaf".

Description

''Mastixia rostrata'' subsp. ''caudatifolia'' grows as a tree measuring up to tall with a trunk diameter of up to . The generally smooth bark is greyish to brown. The flowers are green-yellow. The

ovoid An oval () is a closed curve in a plane which resembles the outline of an egg. The term is not very specific, but in some areas (projective geometry, technical drawing, etc.) it is given a more precise definition, which may include either one or ...

to oblong fruits measure up to long.

Distribution and habitat

''Mastixia rostrata'' subsp. ''caudatifolia'' grows naturally in

Sumatra Sumatra is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the sixth-largest island in the world at 473,481 km2 (182,812 mi.2), not including adjacent i ...

Peninsular Malaysia Peninsular Malaysia ( ms, Semenanjung Malaysia; Jawi: سمننجڠ مليسيا), or the States of Malaya ( ms, Negeri-negeri Tanah Melayu; Jawi: نڬري-نڬري تانه ملايو), also known as West Malaysia or the Malaysian Peninsula, ...

and

Borneo Borneo (; id, Kalimantan) is the third-largest island in the world and the largest in Asia. At the geographic centre of Maritime Southeast Asia, in relation to major Indonesian islands, it is located north of Java, west of Sulawesi, and eas ...

. Its habitat is mixed

dipterocarp Dipterocarpaceae is a family of 16 genera and about 695 known species of mainly tropical lowland rainforest trees. The family name, from the type genus ''Dipterocarpus'', is derived from Greek (''di'' = two, ''pteron'' = wing and ''karpos'' = fru ...

forest from sea-level to altitude.

References

rostrata subsp. caudatifolia Trees of Sumatra Trees of Peninsular Malaysia Trees of Borneo Plant subspecies Plants described in 1976 {{Cornales-stub