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Acacia mahengense

Magnoliopsida - Fabales - Leguminosae

Taxonomy
Acacia mahengense was named by Herendeen and Jacobs (2000). Its type locality is Mahenge, which is in a Lutetian crater lake mudstone/shale in Tanzania.

Sister species lacking formal opinion data

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Synonymy list
YearName and author
2000Acacia mahengense Herendeen and Jacobs

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RankNameAuthor
kingdomPlantae
phylumSpermatophyta
classMagnoliopsidaCronquist et al. 1996
EudicotDoyle and Hotton 1991
RankNameAuthor
orderFabalesBromhead 1838
familyLeguminosaede Jussieu
genusAcaciaMiller
speciesmahengense

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
ReferenceDiagnosis
P. S. Herendeen and B. F. Jacobs 2000Leaf bipinnate, primary rachis incomplete, at least 8.0 cm long, 1.2-2.0 mm wide, petiole and basal pulvinus not preserved. Pinnae opposite, at least four pairs. A single pinna of each of three pairs is present, plus one set of scars from an additional pair of pinnae. Interval between pinnae is 14-15 mm. Pinnae incomplete, 7.5-8.5 cm long, rachis ~1 mm wide at the base, basal pulvinus well developed. Pinnae bear at least 40 pairs of small leaflets. Leaflets 4-5 mm long, 1 mm wide; petiolule well developed, very short, ~0.5 mm long, 0.3 mm wide; pulvinus well developed with transverse wrinkles. Lamina base asymmetrical, proximal corner more or less 90 degrees, angular, distal corner rounded; lamina apex rounded with mucronate tip. Lamina slightly broader on the proximal side than on the distal side of the primary vein. Secondary venation and higher order veins not preserved. Cuticle not preserved.