Whitfordiodendron

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Whitfordiodendron
Whitfordiodendron nieuwenhuisii (synonym Callerya nieuwenhuisii)
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Faboideae
Tribe: Wisterieae
Genus: Whitfordiodendron
Elmer
Type species
Whitfordiodendron scandens
(Benth.) Geesink.
Diversity
4 species
Synonyms

Whitfordia Elmer

Whitfordiodendron is a genus of flowering plants in the legume family, of Fabaceae.[1] It belongs to the subfamily Faboideae.[2]

Its native range is from Thailand to western and central Malesia (including Borneo, Malaya, the Philippines and Sumatra).[1]

Description

Species of Whitfordiodendron are scrambling climbers, typically 10–20 m (33–66 ft) tall or even more. The leaves have 2 to 12 leaflets arranged in pairs plus a terminal leaflet. The leaflets are large, generally 4–15 cm (1.6–5.9 in) long or even up to 25 cm (9.8 in) long by 2–9 cm (0.8–3.5 in) or more wide. The inflorescence is a panicle 5–20 cm (2.0–7.9 in) long. In W. nieuwenhuisii, the panicles emerge directly from the main trunk; in the other species they are terminal on the branches. Individual flowers have the typical shape of members of the subfamily Faboideae and are 8–23 mm (0.3–0.9 in) long. The standard petal is 8–18 mm (0.3–0.7 in) long by 9–16 mm (0.4–0.6 in) wide with its inner surface greyish pink or white with flushes of various shades of red. It has a yellow or green nectar guide. The wing petals are 8–18 mm (0.3–0.7 in) long by 2–5 mm (0.1–0.2 in) wide, more or less equal in length to the keel. The keel petals have a short claw. Nine of the stamens are fused together, the other is free; all curve upwards at the apex. The inflated seed pods are 4–10 cm (1.6–3.9 in) long by 2–5 cm (0.8–2.0 in) wide, splitting when ripe to release the 1–3 seeds.[2]

Taxonomy

See also: Wisterieae § Taxonomy

The genus Whitfordiodendron was established by

Adolph Elmer in 1910.[3] The genus name is in honour of Harry Nichols Whitford (1872–1941), an American forester and professor of tropical forestry at Yale University.[4] The Latin suffix of dendron means tree.[5]

It has been treated as a synonym of Callerya; for example, as of January 2023 the genus was not recognized by the United States Department of Agriculture and the Agricultural Research Service.[6] A molecular phylogenetic study in 2019 reaffirmed its status as a separate genus,[2] and the genus was accepted by Plants of the World Online.[1]

Species

It has four accepted species:[1]

References

Wikimedia Commons has media related to Whitfordiodendron.
Wikispecies has information related to Whitfordiodendron.
  1. ^ a b c d "Whitfordiodendron Elmer | Plants of the World Online | Kew Science". Plants of the World Online. Retrieved 11 January 2022.
  2. ^ a b c Compton, J.A., Schrire, B.D., Könyves, K., Forest, F., Malakasi, P., Mattapha, S. & Sirichamorn, Y. 2019. The Callerya Group redefined and Tribe Wisterieae (Fabaceae) emended based on morphology and data from nuclear and chloroplast DNA sequences. PhytoKeys 125: 1–112. DOI: 10.3897/phytokeys.125.34877
  3. ^ "Whitfordiodendron Elmer". The International Plant Names Index. Retrieved 2023-01-12.
  4. S2CID 187926901
    . Retrieved 1 January 2021.
  5. ISBN 978-1845337315
    .
  6. ^ "Genus Whitfordiodendron Elmer". npgsweb.ars-grin.gov. Retrieved 12 January 2023.
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