Pseuduvaria mollis

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Pseuduvaria mollis
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Genus: Pseuduvaria
Species:
P. mollis
Binomial name
Pseuduvaria mollis
Synonyms

Goniothalamus mollisWarb.
Mitrephora mollisK.Schum. & Lauterb.
Papualthia bracteataDiels
Papualthia mollis(Warb.) Diels

Contents

Pseuduvaria mollis is a species of plant in the family Annonaceae. [1] It is native to New Guinea. [2] Otto Warburg, the German-Jewish botanists who first formally described the species using the basionym Goniothalamus mollis, named it after the soft (mollis, in Latin) hairs on its leaves and petals. [3] [4]

Description

It is a tree reaching 15 meters in height. The young, yellow-brown to black branches are very densely covered in hairs. Its elliptical to oval, papery to leathery leaves are 16-40 by 6-13 centimeters. The leaves have rounded to heart-shaped bases and tapering tips, with the tapering portion 2-17 millimeters long. The leaves are hairless on their upper surfaces and slightly hairy on their lower surfaces. The midribs of the leaves are densely covered in soft hairs. The leaves have 14-24 pairs of secondary veins emanating from their midribs. Its densely hairy petioles are 4-14 by 1.5-4.5 millimeters with a broad groove on their upper side. Its solitary Inflorescences occur on branches, and are organized on peduncles that are 3-5 by 1-2.5 millimeters and densely covered with wooly hairs. Each inflorescence has 1-2 flowers. Each flower is on a pedicel that is 6-13 by 1.5-2 millimeters and very densely covered with wooly hairs. The pedicels are organized on a rachis up to 5 millimeters long that have 4-5 bracts. The pedicels have a medial bract that is 3 millimeters long and very densely covered with wooly hairs. Its flowers are unisexual. Its flowers have 3 oval sepals, that are 3.5-4.5 by 3.5-4.5 millimeters. The sepals are partially fused at their base. The sepals are hairless on their upper surface, covered in very dense wooly hairs on their lower surface, and wooly hairs at their margins. Its 6 petals are arranged in two rows of 3. The light brown, oval, outer petals are 8-8.5 by 7.5 millimeters. The outer petals are hairless on their upper surfaces and covered in very dense wooly hairs on their lower surfaces. The pale yellow, oval inner petals have a 1.5-2 millimeter long claw at their base and a 5.5-7.5 by 3.5-4.5 millimeter blade. The inner petals have slightly rounded bases and pointed tips. The inner petals are hairless on their upper and lower surfaces. Male flowers have up to 126 stamens that are 0.7-1.2 by 0.5-0.8 millimeters. The fruit occur in clusters of 1-4 that are organized on densely hairy peduncles that are 4-12 by 2-4 millimeters. The fruit are attached by densely hairy pedicles that are 5-16 by 205 millimeters. The orange, elliptical fruit are 35-80 by 20-50 millimeters. The fruit are wrinkly, and slightly hairy. Each fruit has up to 20 smooth, lens-shaped seeds arranged in two rows. The seeds are 20-28 by 11-16 by 3-6 millimeters. [5]

Reproductive biology

The pollen of P. mollis is shed as permanent tetrads. [6]

Habitat and distribution

It has been observed growing in rainforests and river flats at elevations of 60-460 meters. [5]

Related Research Articles

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Pseuduvaria macgregorii 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, named it after Richard MacGregor the Australian ornithologist and plant collector who collected the specimen Merrill examined.

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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.

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Pseuduvaria multiovulata is a species of plant in the family Annonaceae. It is native to Myanmar. Cecil Fischer, the Indian botanist who first formally described the species using the basionym Mitrephora multiovulata, named it after its many ovuled ovaries.

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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.

<i>Pseuduvaria setosa</i> Species of plant in the family Annonaceae

Pseuduvaria setosa is a species of plant in the family Annonaceae. It is native to Peninsular Malaysia. George King, the botanist who first formally described the species under the basionym Orophea setosa, named it after the bristly hairs on its leaves and petioles.

Pseuduvaria villosa is a species of plant in the family Annonaceae. It is endemic to Australia. L.W. Jessup, the botanist who first formally described the species, named it after its leaves and branchlets which are shaggy with long soft hairs.

References

  1. ↑ "Pseuduvaria mollis (Warb.) J. Sinclair". Catalogue of Life. Species 2000. n.d. Retrieved July 22, 2021.
  2. ↑ "Pseuduvaria mollis (Warb.) J.Sinclair". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved July 22, 2021.
  3. ↑ Warburg, O (1891). "Beiträge zur Kenntnis der papuanischen Flora (Schluss.)" [Contributions to the knowledge of the Papuan flora (conclusion.)]. Botanische Jahrbücher für Systematik, Pflanzengeschichte und Pflanzengeographie (in German and Latin). 13: 230–455.
  4. ↑ Stearn, William (2004). Botanical Latin. Portland, Ore. Newton Abbot: Timber Press David & Charles. ISBN   9780881926279.
  5. 1 2 Su, Yvonne C.F.; Saunders, Richard M.K. (2006). Monograph of Pseuduvaria (Annonaceae). Systematic Botany Monographs. Vol. 79. American Society of Plant Taxonomists. pp. 1–204. JSTOR   25027955.
  6. ↑ Su, Yvonne C. F.; Saunders, Richard M. K. (2003). "Pollen structure, tetrad cohesion and pollen-connecting threads in Pseuduvaria (Annonaceae)". Botanical Journal of the Linnean Society. 143 (1): 69–78. doi: 10.1046/j.1095-8339.2003.00204.x . ISSN   1095-8339.
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