| Richetia collaris | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malvales |
| Family: | Dipterocarpaceae |
| Genus: | Richetia |
| Species: | R. collaris |
| Binomial name | |
| Richetia collaris (Slooten) P.S.Ashton & J.Heck. (2022) | |
| Synonyms [2] | |
Shorea collarisSlooten (1956) | |
Richetia collaris is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet collaris means 'neck' and refers to the calyx of the fruit. [3]
Richetia collaris grows up to 50 metres (160 ft) tall, with a trunk diameter of up to 1.5 m (5 ft). It has buttresses measuring up to 2 m (7 ft) tall. The cracked bark is yellow to brown. The papery leaves are oblong to lanceolate and measure up to 23 cm (9 in) long. The inflorescences measure up to 9 cm (4 in) long and bear up to eight flowers. The nuts are egg-shaped and measure up to 3 cm (1 in) long. [3]
Richetia collaris is endemic to central Sarawak on Borneo. [2] Its habitat is mixed dipterocarp forests up to 1,000 m (3,300 ft) elevation. [1]
Richetia collaris has been assessed as vulnerable on the IUCN Red List. It is threatened by logging, including for its timber. It is also threatened by expansion of land for plantations, including for palm oil and other tree species. The species is not found in any protected areas. [1]
Richetia alutacea is a species of tree in the family Dipterocarpaceae. It is endemic to Borneo, where it is confined to Sarawak.
Shorea amplexicaulis is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet amplexicaulis means 'clasping the stem' and refers to the position of the leaf stalk or petiole.
Richetia angustifolia is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet angustifolia means 'narrow-leaved'.
Shorea beccariana is a tree in the family Dipterocarpaceae, native to Borneo. It is named for the Italian botanist Odoardo Beccari.
Shorea coriacea is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet coriacea means 'leathery' and refers to the leaves.
Shorea faguetioides is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet faguetioides refers to its similarity to Shorea faguetiana.
Shorea fallax is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet fallax means "deceptive" and refers to the species initially being considered to be Shorea scaberrima.
Shorea ferruginea is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet ferruginea means 'rust-coloured', referring to the leaf when dry.
Shorea havilandii is a tree in the family Dipterocarpaceae, native to Borneo. It is named for the English naturalist George Darby Haviland.
Shorea mecistopteryx is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet mecistopteryx means 'big wing', referring to the fruit's lobes.
Shorea monticola is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet monticola means 'mountain-dwelling', referring to the habitat.
Shorea patoiensis is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet patoiensis refers to Bukit Patoi, a hill in Brunei.
Shorea pilosa is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet pilosa means 'hairy', referring to the indumentum.
Shorea pinanga is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet pinanga is derived from a local name for the species.
Shorea retusa is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet retusa means 'notched', referring to the apex of the leaf.
Shorea scrobiculata is a tree in the family Dipterocarpaceae. The specific epithet scrobiculata means 'sawdust-like', referring to the indumentum of the flowers.
Shorea rubra is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet rubra means 'red' and refers to the underside of the leaf.
Shorea scabrida is a tree in the family Dipterocarpaceae. The specific epithet scabrida means 'rough', referring to the indumentum.
Shorea venulosa is a tree in the family Dipterocarpaceae, native to Borneo. The specific epithet venulosa means 'small veins', referring to the leaf.
Shorea woodii is a tree in the family Dipterocarpaceae, native to Borneo. It is named for the botanist Geoffrey Wood.
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