Pseudoxandra polyphleba

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Pseudoxandra polyphleba
Pseudoxandra polyphleba.jpg
Photograph of Pseudoxandra polyphleba with fruit. [1]
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Magnoliids
Order: Magnoliales
Family: Annonaceae
Genus: Pseudoxandra
Species:
P. polyphleba
Binomial name
Pseudoxandra polyphleba
Synonyms

Cremastosperma polyphlebum(Diels) R.E.Fr.
Unonopsis polyphlebaDiels

Contents

Pseudoxandra polyphleba is a species of plant in the family Annonaceae. It is native to Bolivia, Brazil, Colombia, French Guiana, Guyana, and Peru. [3] Ludwig Diels, the German botanist who first formally described the species using the basionym Unonopsis polyphleba, named it after the distinctive veins (Latinized form of Greek φλέβα, phléba) [4] in its leaves. [5]

Description

It is a tree reaching 4 to 15 meters in height. Its dull papery leaves are 10–19 by 3–6 centimeters and come to a point at their tips. The leaves are hairless on their upper and lower surfaces, but can have small warty bumps. The leaves have 10–15 distinct, straight secondary veins emanating from the primary vein. Its petioles are 2–7 millimeters long. Its flowers are solitary or in pairs and axillary. Each flower is on a pedicel 2-5 millimeters long. Its flowers have 3 oval-shaped sepals that are 1–2 by 2–3 millimeters. The outer surface of the sepals is hairless or slightly hairy. Its 6 petals are arranged in two rows of 3. The outer petals are white to yellow and 4–10 by 3–5 millimeters. The outer petals are hairless on their outer surface. The inner petals are similarly colored and 3–8 by 3–5 millimeters. The inner petals are smooth on their outer surface. It has numerous stamens that are 1.5–1.7 millimeters long. Each flower has 2–20 monocarps that are yellow, red, or near black at maturity and 10–15 millimeters wide. Its brown seeds are 8–13 by 7–12 millimeters. [6]

Reproductive biology

The pollen of P. polyphleba is shed as permanent tetrads. [7]

Related Research Articles

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<i>Neostenanthera gabonensis</i> Species of plant in the family Annonaceae

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

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<i>Uvariastrum insculptum</i> Species of flowering plant

Uvariastrum insculptum is a species of plant in the Annonaceae. It is native to Cameroon, Gabon, Ghana, Ivory Coast, Liberia, Nigeria, and the Republic of the Congo. Adolf Engler and Ludwig Diels, the botanists who first formally described the species using the basionym Uvaria insculpta, named it after the secondary veins on its leaves which are distinctly sunken.

<i>Uvariastrum pierreanum</i> Species of flowering plant

Uvariastrum pierreanum is a species of plant in the Annonaceae family. It is native to Cameroon, the Central African Republic, the Democratic Republic of the Congo, Equatorial Guinea, Gabon, Ghana, Guinea, the Ivory Coast, Liberia, Nigeria, Sierra Leone and the Republic of the Congo. Adolf Engler, the botanist who first formally described the species, named it after the French botanist Jean Baptiste Louis Pierre.

<i>Uvariopsis congensis</i> Species of flowering plant

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<i>Xylopia cuspidata</i> Species of flowering plant

Xylopia cuspidata is a species of plant in the Annonaceae family. It is native to Bolivia, Brazil, Colombia, Ecuador and Peru. Ludwig Diels, the botanist who first formally described the species, named it after the leaves which have an abruptly pointed tip.

<i>Xylopia densiflora</i> Species of flowering plant

Xylopia densiflora is a species of plant in the Annonaceae family. It is native to Peru. Robert Elias Fries, the botanist who first formally described the species, named it after its dense clusters of flowers.

<i>Xylopia macrantha</i> Species of flowering plant

Xylopia macrantha is a species of plant in the Annonaceae family. It is native to Colombia, Costa Rica and Panama. José Jerónimo Triana and Jules Émile Planchon, the botanists who first formally described the species, named it after its large flowers.

<i>Xylopia calophylla</i> Species of flowering plant

Xylopia calophylla is a species of plant in the Annonaceae family. It is native to Bolivia, Brazil, Colombia, Ecuador, Peru and Venezuela. Robert Elias Fries, the botanist who first formally described the species, named it after its beautiful leaves.

<i>Xylopia micans</i> Species of flowering plant

Xylopia micans is a species of plant in the Annonaceae family. It is native to Colombia, Ecuador and Peru. Robert Elias Fries, the botanist who first formally described the species, named it after the gleaming hairs on the undersides of its leaves.

<i>Xylopia polyantha</i> Species of flowering plant

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References

  1. "Pseudoxandra polyphleba (Diels) R.E. Fr". Tropicos. Tropicos.org. Missouri Botanical Garden. n.d. Retrieved August 23, 2023.
  2. Botanic Gardens Conservation International (BGCI).; IUCN SSC Global Tree Specialist Group (2019). "Pseudoxandra polyphleba". IUCN Red List of Threatened Species . 2019: e.T145665624A145665626. doi: 10.2305/IUCN.UK.2019-2.RLTS.T145665624A145665626.en . Retrieved 20 November 2021.
  3. "Pseudoxandra polyphleba (Diels) R.E.Fr". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved May 23, 2019.
  4. Stearn, William (2004). Botanical Latin. Portland, Ore. Newton Abbot: Timber Press David & Charles. ISBN   9780881926279.
  5. Pilger, R. (1905). "Beiträge zur Flora der Hylaea nach den Sammlungen von E. Ule. Unter Mitwirkung namhafter Fachgenossen herausgegeben" [Contributions to the flora of the Hylaea after the collections of E. Ule. Issued with the participation of well-known experts]. Verhandlungen des Botanischen Vereins für die Provinz Brandenburg (in German and Latin). 47: 100–191.
  6. Maas, Paul J.M.; Westra, Lubbert Y.Th. (2003). "Revision of the Neotropical genus Pseudoxandra (Annonaceae)". Blumea - Biodiversity, Evolution and Biogeography of Plants. 48 (2): 201–259. doi:10.3767/000651903X674955. ISSN   0006-5196.
  7. Walker, James W. (1971). "Pollen Morphology, Phytogeography, and Phylogeny of the Annonaceae". Contributions from the Gray Herbarium of Harvard University. 202 (202): 1–130. doi: 10.5962/p.272704 . JSTOR   41764703. S2CID   249081277.