| Microtropis rigida | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Celastrales |
| Family: | Celastraceae |
| Genus: | Microtropis |
| Species: | M. rigida |
| Binomial name | |
| Microtropis rigida | |
Microtropis rigida is a species of plant in the family Celastraceae. It is a tree endemic to Borneo where it is confined to Sarawak.
Pinus rigida, the pitch pine, is a small-to-medium-sized pine. It is native to eastern North America, from central Maine south to Georgia and as far west as Kentucky, and in two pockets along the St. Lawrence River in southern Quebec and Ontario. It is found in environments which other species would find unsuitable for growth, such as acidic, sandy, and low nutrient soils. This species occasionally hybridizes with other pine species, such as loblolly pine, shortleaf pine, and pond pine ; the last is treated as a subspecies of pitch pine by some botanists.
Juniperus rigida, the temple juniper, is a species of juniper, native to northern China, Mongolia, Korea, Japan, and the far southeast of Russia, occurring at altitudes of 10–2,200 m. The species is also naturalized in the United States. It is closely related to Juniperus communis and Juniperus conferta, the latter sometimes treated as a variety or subspecies of J. rigida.
Chusquea rigida is a species of grass in the family Poaceae. It is found only in Ecuador.
The Luzon narrow-mouthed frog is a species of frogs in the family Microhylidae.
The Helan Shan pika or silver pika is a species of mammal in the pika family, Ochotonidae. It is endemic to China where it is found in a small region of the Helan Mountains. It is listed as "Endangered" in the IUCN Red List of Threatened Species as of 2016.
Justicia rigida is a species of plant in the family Acanthaceae. It is endemic to Yemen. Its natural habitats are subtropical or tropical dry shrubland and subtropical or tropical dry lowland grassland.
Meriania rigida is a species of plant in the family Melastomataceae. It is endemic to Ecuador. Its natural habitats are subtropical or tropical moist montane forests and subtropical or tropical high-altitude shrubland.
Microtropis argentea is a species of tree in the family Celastraceae. It is endemic to Borneo, where it is confined to Sarawak.
Microtropis is a genus of plant in family Celastraceae. There are about 70 species. They are trees and shrubs, evergreen or deciduous, with oppositely arranged leaves and white or yellowish flowers. Microtropis are distributed in Asia, Africa, and Central America.
Microtropis borneensis is a species of plant in the family Celastraceae. It is endemic to Borneo.
Microtropis densiflora is a species of plant in the family Celastraceae. It is endemic to Tamil Nadu in India.
Microtropis fascicularis is a species of plant in the family Celastraceae. It is endemic to Borneo where it is confined to Sarawak. It is a deciduous shrub normally ranging in height from 1–5 m, though sometimes it can scramble higher into the crowns of taller trees. Its stems are covered with small, sharp, hooked spines, which aid it in climbing. The leaves are pinnate, with 5-7 leaflets. The flowers are usually pale pink, but can vary between a deep pink and white. They are 4–6 cm diameter with five petals, and mature into an oval 1.5–2 cm red-orange fruit.
Microtropis sabahensis is a species of plant in the family Celastraceae. It is a tree endemic to Borneo where it is confined to Sabah.
Microtropis sarawakensis is a species of plant in the family Celastraceae. It is a tree endemic to Borneo where it is confined to Sarawak.
Microtropis tenuis is a species of plant in the family Celastraceae. It is a tree endemic to Peninsular Malaysia. It is threatened by habitat loss.
Zinowiewia costaricensis is a species of tree in the family Celastraceae. It is found in Belize, Costa Rica, Nicaragua, and Panama. It is threatened by habitat loss. The plant is used medicinally.
The crayfish snake, also known commonly as the glossy crayfish snake, the glossy swampsnake, the glossy water snake, and the striped water snake, is a species of semiaquatic snake in the subfamily Natricinae of the family Colubridae. The species is endemic to the southeastern United States, and preys mainly on crayfish.
Copernicia rigida is a type of palm endemic to eastern and central Cuba.
Persoonia rigida, commonly known as the rigid-, hairy- or stiff geebung, is a species of flowering plant in the family Proteaceae and is endemic to south-eastern Australia. It is an erect to low-lying shrub with hairy young branchlets, lance-shaped to spatula-shaped leaves that are hairy when young, and yellow flowers borne in groups of up to twenty on a rachis up to 90 mm (3.5 in) long that continues to grow after flowering.
Chionochloa rigida, known commonly as narrow-leaved snow tussock and by its Māori name wī kura, is a species of tussock grass endemic to New Zealand. Two subspecies are recognised, including Chionochloa rigida rigida and Chionochloa rigida amara.
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