Begonia jubar: Difference between revisions

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== Begonia jubar V.T.Pham & C.W.Lin, sp. nov. §. Petermannia ==
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        [[File:(IMGNAME.jpg|thumb|center|Begonia jubar)]]
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=== Description ===
=== Description ===
Monoecious rhizomatous herb with yellowish-green rhizome, dense hirsute internodes, and rose-pink persistent stipules. Leaves are alternate, ovate, and exhibit colorful patterns.
Monoecious rhizomatous herb with yellowish-green rhizome, dense hirsute internodes, and rose-pink persistent stipules. Leaves are alternate, ovate, and exhibit colorful patterns.


==== Distribution ====
=== Leaves ===
Begonia jubar is endemic to Lak district in Dak Lak Province, southern Vietnam.
Alternate leaves with petioles that are carmine to pale vermilion. Leaf blades are asymmetric, ovate to widely ovate, and exhibit distinctive venation patterns.


==== Habitat ====
=== Inflorescences ===
It thrives in semi-deciduous lowland forests on silicate rocks, typically growing on silicate cliff faces in semi-shade. The elevation of its habitat is approximately 450 meters above sea level.
Axillary, dichasial cymes with olive-green to crimson peduncles. Deciduous bracts are yellow-green.
 
==== Characteristics ====
Begonia jubar is a monoecious rhizomatous herb. Its rhizome is stout, creeping, and yellowish-green, with densely hirsute internodes. The stipules are rose-pink, widely triangular, and recurved. Leaves are alternate, with carmine to pale vermilion petioles. The leaf blade is asymmetric, oblique, ovate to widely ovate, and exhibits distinctive patterns. Staminate flowers have pinkish-white tepals, while pistillate flowers have pinkish-white tepals and 3-winged ovaries. The plant's bright veins contrast with the dark lamina, giving it a striking appearance.


=== Flowers ===
=== Flowers ===
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=== References ===
=== References ===
- Include your references here.
[https://www.researchgate.net/publication/352257453_Begonia_of_Vietnam_an_updated_checklist_including_a_new_species_and_a_new_record ResearchGate]
 
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[[Category:Begonia Species]]
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[[Category:Vietnam]]
[[Category:Vietnam]]
[[Category:Petermannia]]
[[Category:Petermannia]]

Latest revision as of 10:02, 27 September 2023

Begonia jubar)
Quick Species Info
Species jubar
Region South East Asia
Country Vietnam
Year published 2021
Date of Origin 2019
Plant Type rhizomatous
Section Petermannia
Chr 2n Not specified

Description[edit]

Monoecious rhizomatous herb with yellowish-green rhizome, dense hirsute internodes, and rose-pink persistent stipules. Leaves are alternate, ovate, and exhibit colorful patterns.

Leaves[edit]

Alternate leaves with petioles that are carmine to pale vermilion. Leaf blades are asymmetric, ovate to widely ovate, and exhibit distinctive venation patterns.

Inflorescences[edit]

Axillary, dichasial cymes with olive-green to crimson peduncles. Deciduous bracts are yellow-green.

Flowers[edit]

- Staminate flowers have pinkish-white tepals. - Pistillate flowers have pinkish-white tepals and 3-winged ovaries.

Distribution and Ecology[edit]

Endemic to Lak district in Dak Lak Province, Vietnam. Grows on silicate cliff faces in semi-shade, under the canopy of various tree and herbaceous species.

Etymology[edit]

From Latin "jubar" meaning brightness, referring to its outstanding bright veins.

Conservation Status[edit]

Considered Vulnerable due to its rarity and potential horticultural trade threat.

Notes[edit]

Begonia jubar is most closely allied to Begonia rigidifolia but has distinct characteristics, including glabrous stipules, leaf base, and larger flowers.

References[edit]

ResearchGate