Overview

Comprehensive Description

Description

See var. nodulosa for general description. This variety is almost completely hairless and lacks the glandular hairs on the stems, petiole, leaf rhachis, inflorescences and fruits. It is found at lower altitudes.
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Source: Flora of Zimbabwe

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Derivation of specific name

nodulosa: bearing nodules;
glabrescens: becoming hairless.
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Description

Usually a slender shrub but occasionally a small tree. Plants aromatic. Stems covered with short glandular hairs. Leaves up to c. 8 cm long, pinnate, 8-32-foliolate; petiole and rhachis with short glandular hairs. Leaflets linear-oblong, 3-18 mm long, slightly subcordate at the base, mostly hairless; stipules conspicuous but quickly deciduous, ovate to oblong-lanceolate, 7-22 mm long. Flowers in many-flowered racemes in the axils of the upper leaves, together often appearing as a branched terminal inflorescence; peduncles and pedicels with short glandular hairs. Calyx reddish, 2-lipped; one lip more or less entire, the other 3-fid. Standard yellow or orange-yellow with red veining, broadly elliptic, 10-16 cm long; wings orange-yellow, paler at the base, with red streaks at the apex; keel pale yellow. Fruit with 3-7 semicircular articles, up to 8 × 6 mm, joined by narrow necks, covered with short, glandular hairs.
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Source: Flora of Zimbabwe

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Derivation of specific name

nodulosa: bearing nodules
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Source: Flora of Zimbabwe

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Description

Annual or perennial herbs, subshrubs or shrubs. Stipules present, stipels 0. Leaves alternate or ± paripinnate, 2-many-foliolate. Leaflets subopposite to alternate, asymmetric at base. Inflorescences axillary, less often terminal or leaf-opposed. Bracts entire or 2-3-fid; bracteoles mostly deciduous. Calyx 2-lipped. Corolla usually yellow, orange-yellow or orange, often lined or flushed with purple. Pod linear or elliptic with 1-many articles, usually straight or curved.
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Distribution

Worldwide distribution

Zimbabwe, Mozambique and Limpopo, South Africa.
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Worldwide distribution

Malawi, Mozambique, Zimbabwe and Limpopo, Mpumalanga, South Africa.
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Ecology

Habitat

Depth range based on 6 specimens in 2 taxa.

Environmental ranges
  Depth range (m): 1 - 1
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.

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Population Biology

Frequency

Common in Eastern Highlands
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage

Barcode of Life Data Systems (BOLD) Stats
Specimen Records:101
Specimens with Sequences:96
Specimens with Barcodes:39
Species:35
Species With Barcodes:33
Public Records:80
Public Species:31
Public BINs:0
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Source: Barcode of Life Data Systems (BOLD)

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Barcode data

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Source: Barcode of Life Data Systems (BOLD)

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Wikipedia

Aeschynomene

Aeschynomene is a genus of flowering plants in the family Fabaceae, and was recently assigned to the informal monophyletic Dalbergia clade of the Dalbergieae.[1][2] They are known commonly as jointvetches. These legumes are most common in warm regions and many species are aquatic. The genus as currently circumscribed is paraphyletic and it has been suggested that the subgenus Ochopodium be elevated to a new genus within the Dalbergeae, though other changes will also be required to render the genus monophyletic.[2][3][1][4]

Species[edit]

Aeschynomene comprises the following species:[5][6]

References[edit]

  1. ^ a b c Lavin M, Pennington RT, Klitgaard BB, Sprent JI, de Lima HC, Gasson PE. (2001). "The dalbergioid legumes (Fabaceae): delimitation of a pantropical monophyletic clade". Am J Bot 88 (3): 503–33. doi:10.2307/2657116. PMID 11250829. 
  2. ^ a b c Cardoso D, Pennington RT, de Queiroz LP, Boatwright JS, Van Wyk B-E, Wojciechowskie MF, Lavin M. (2013). "Reconstructing the deep-branching relationships of the papilionoid legumes". S Afr J Bot 89: 58–75. doi:10.1016/j.sajb.2013.05.001. 
  3. ^ Chaintreuil C, Arrighi JF, Giraud E, Miché L, Moulin L, Dreyfus B, Munive-Hernández JA, Villegas-Hernandez Mdel C, Béna G. (2013). "Evolution of symbiosis in the legume genus Aeschynomene". New Phytol 200 (4): 1247–59. doi:10.1111/nph.12424. PMID 23879229. 
  4. ^ Ribeiro RA, Lavin M, Lemos-Filho JP, Mendonça-Filho CV, dos Santos FR, Lovato MB. (2007). "The genus Machaerium (Leguminosae) is more closely related to Aeschynomene sect. Ochopodium than to Dalbergia: inferences from combined sequence data". Syst Bot 32 (4): 762–771. doi:10.1600/036364407783390700. 
  5. ^ "ILDIS LegumeWeb entry for Aeschynomene". International Legume Database & Information Service. Cardiff School of Computer Science & Informatics. Last edited on 1 November 2005 (rebuilt on 24 April 2013). Retrieved 5 February 2014. 
  6. ^ USDA, ARS, National Genetic Resources Program. "GRIN species records of Aeschynomene". Germplasm Resources Information Network—(GRIN) [Online Database]. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved 5 February 2014. 
  7. ^ Some sources treat Aeschynomene portoricensis as a synonym of Aeschynomene gracilis.
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