Saurauia glabra

Saurauia glabra is a species of plant in the Actinidiaceae family. It is native to Borneo.[1] Elmer Drew Merrill, the American botanist who first formally described the species, named it after it after its hairlessness (glaber in Latin).[2]

Saurauia glabra
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Ericales
Family: Actinidiaceae
Genus: Saurauia
Species:
S. glabra
Binomial name
Saurauia glabra

Description

It is a tree reaching 15 meters in height. Its leathery leaves are 10-18 by 4-8 centimeters and their tips come to a shallow point. The leaves are green on their upper side, brownish below, and smooth on both surfaces. The leaves have 8-15 pairs of secondary veins emanating from their midribs. The leaf margins have shallow rounded teeth. Its petioles are 1-3 centimeter long. It has inflorescences of 25-50 flowers on peduncles 2-8 centimeters in length. Its flowers have 5 [sepals]]. The outer pair are elliptical and 6 by 3.3 millimeters. The inner 3 are 8 millimeters long. The flowers have a corolla with 5 lobes; each lobe is 5-9 by 3.5-6 millimeters. Its flowers have around 30-80 stamens that are 0.5-0.85 millimeters in length. Each flower has a 4-5 chambered ovary. Its flowers have 3 styles that are 9 millimeters long, and fused at their base for the last 1-2 millimeters.[2][3]

Reproductive Biology

The pollen of S. glabra is shed as permanent tetrads.[4]

References
  1. "Saurauia glabra Merr". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved December 18, 2018.
  2. Merrill, E.D. (1918). "The Bornean Species of Eugenia, Schefflera, and Saurauia, represented in the Singapore Herbarium". Journal of the Straits Branch of the Royal Asiatic Society: 19–36.
  3. Soejarto, Djaja D. (1980). Revision of South American Saurauia (Actinidiaceae). Field Museum of Natural History. p. 33.
  4. Jagudilla-Bulalacao, L (1997) Pollen Flora of the Philippines, Volume 1, Taguig, Metro Manila: Department of Science and Technology, Special Projects Unit, Technology Application and Promotion Institute.
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