Pseuduvaria bruneiensis | |
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Herbarium specimen of Pseuduvaria bruneiensis. [1] | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Magnoliids |
Order: | Magnoliales |
Family: | Annonaceae |
Genus: | Pseuduvaria |
Species: | P. bruneiensis |
Binomial name | |
Pseuduvaria bruneiensis | |
Pseuduvaria bruneiensis is a species of plant in the family Annonaceae. It is endemic to Borneo. [1] Yvonne Chuan Fang Su and Richard M.K. Saunders, the botanists who first formally described the species, named it after Brunei where the specimens they examined were collected.
It is a tree reaching 6 meters in height. Its branches have sparse lenticels. Its papery leaves are 12–18 by 4–6.5 centimeters and come to a point at their tips. The leaves are hairless on their upper and lower surfaces and except for the midrib which is densely hairy on the lower surface. The leaves have 12–16 pairs of secondary veins emanating from their midribs. Its hairy petioles are 5–10 millimeters long with a groove on their upper side. Inflorescences are organized on short, densely hairy peduncles, 1–1.5 millimeters in length. Each inflorescence has up to 6 flowers. Each flower is on a densely hairy pedicel 10-13 millimeters in length. The flowers are unisexual. Its flowers have 3 sepals, 0.8–1 by 0.5 millimeters. The sepals are smooth on their upper surface, hairy on their lower surface, and have fine hairs on their margins. Its 6 petals are arranged in two rows of 3. The outer elliptical petals are 1.5 by 1–1.5 millimeters with smooth upper surfaces and densely hairy lower surfaces. The outer petals are cream-colored. The inner petals have a 0.7–1.2 millimeter long claw at their base and a 2–2.5 by 2–2.5 millimeter blade. The cream-colored inner petals are smooth on their upper surface and densely hairy on their lower surface. Each inner petal has a crown-shaped gland at the base of its outer surface. Male flowers have up to 29 stamens that are 0.6 millimeters long. Female flowers have up to 7 carpels per flower and 2 ovules per carpel. Fruit are on pedicels 12–17 millimeters in length. The fruit consists of up to 3–6 monocarps. Each mature monocarp is a 6–8 by 6–8 millimeter globe. The mature monocarps have a distinctive equatorial ridge. The mature monocarps are green, have an irregular surface and are hairy. Each monocarp has around 2 seeds. The wrinkly, elliptical seeds are 7–7.5 by 6–6.5 millimeters. [3]
The pollen of P. bruneiensis is shed as permanent tetrads. [4]
Pseuduvaria cerina is a species of tree in the Annonaceae family. It is endemic to Peninsular Malaysia. James Sinclair, the Scottish botanist who first formally described the species, named it after its waxy yellow inner petals.
Pseuduvaria aurantiaca is a species of plant in the family Annonaceae. It is endemic to New Guinea. Friedrich Anton Wilhelm Miquel, the Dutch botanist who first formally described the species using the basionym Orophea aurantiaca, named it after its orange colored fruit.
Pseuduvaria beccarii is a species of plant in the family Annonaceae. It is endemic to New Guinea. Rudolph Scheffer, the Dutch botanist who first formally described the species using the basionym Orophea beccarii, named it after Odoardo Beccari, the Italian naturalist who collected the sample he examined.
Pseuduvaria borneensis is a species of plant in the family Annonaceae. It is endemic to Borneo. Yvonne Chuan Fang Su and Richard M.K. Saunders, the botanists who first formally described the species, named it after the regions of Borneo where it is distributed including East Kalimantan, Sabah and Sarawak.
Pseuduvaria clemensiae is a species of plant in the family Annonaceae. It is native to New Guinea. Yvonne Chuan Fang Su and Richard M.K. Saunders, the botanists who first formally described the species, named it after Mary Strong Clemens who collected the specimen they examined.
Pseuduvaria coriacea is a species of plant in the family Annonaceae. It is native to New Guinea. Yvonne Chuan Fang Su and Richard M.K. Saunders, the botanists who first formally described the species, named it after its leathery leaves.
Pseuduvaria cymosa is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia. James Sinclair, the Scottish botanist who first formally described the species using the synonym Pseuduvaria macrophylla var. cymosa, named it after its branched inflorescences which are called cymes.
Pseuduvaria dielsiana is a species of plant in the family Annonaceae. It is native to New Guinea. Carl Lauterbach, the German botanist who first formally described the species using the synonym Goniothalamus dielsianus, named it in honor of Ludwig Diels, another German botanist who also worked on taxa from New Guinea.
Pseuduvaria glabrescens is a species of plant in the family Annonaceae. It is native to Australia. L.W. Jessup, the botanist who first formally described the species using the synonym Pseuduvaria mulgraveana var. glabrescens, named it after the underside of its leaves which have the quality of becoming hairless as they mature.
Pseuduvaria kingiana is a species of plant in the family Annonaceae. It is native to the Malay Peninsula. Yvonne Chuan Fang Su and Richard Saunders, the botanists who first formally described the species, named it after Sir George King, the British botanist who first collected the species.
Pseuduvaria luzonensis is a species of plant in the family Annonaceae. It is native to The Philippines. Elmer Drew Merrill, the American botanist who first formally described the species using the synonym Orophea luzoniensis, named it after Luzon in the province of Battan, Philippines where the specimen he examined was collected along the Lamao River.
Pseuduvaria macrocarpa is a species of plant in the family Annonaceae. It is native to The Maluku Islands and New Guinea. William Burck, the Dutch botanist who first formally described the species using the synonym Meiogyne macrocarpa, named it after its large fruit.
Pseuduvaria mindorensis is a species of plant in the family Annonaceae. It is native to the Philippines. Yvonne Su and Richard Saunders, the botanists who first formally described the species, named it after the island of Mindoro where the specimen they examined was collected in the municipality of Puerto Galera.
Pseuduvaria obliqua is a species of plant in the family Annonaceae. It is native to Borneo. Yvonne Su and Richard Saunders, the botanists who first formally described the species, named it after its slightly uneven leaf bases.
Pseuduvaria oxycarpa is a species of plant in the family Annonaceae. It is native to Sulawesi. Sijfert Hendrik Koorders, the Dutch botanist who first formally described the species, named it after the pointed tips of its fruit.
Pseuduvaria pamattonis is a species of plant in the family Annonaceae. It is native to Borneo and the Philippines. Friedrich Miquel, the Dutch botanist who first formally described the species using the basionym Orophea pamattonis, named it after a mountain in Borneo called Gunung Pamaton.
Pseuduvaria parvipetala is a species of plant in the family Annonaceae. It is native to Borneo and Sumatra. Yvonne Su and Richard Saunders, the botanists who first formally described the species, named it after its small petals.
Pseuduvaria sessilifolia is a species of plant in the family Annonaceae. It is native to New Guinea. James Sinclair, the botanist who first formally described the species, named it after its stalkless leaves which lack petioles.
Pseuduvaria trimera is a species of plant in the family Annonaceae. It is native to China, Myanmar, Thailand, and Vietnam. William Grant Craib, the British botanist who first formally described the species, named it after its fascicles of flowers that often occur in three parts.
Pseuduvaria unguiculata is a species of plant in the family Annonaceae. It is endemic to The Philippines. Adolph Daniel Edward Elmer, the American botanist who first formally described the species, named it after its clawed inner petals.