Macrolobium campestre Huber

• Authority

  Cowan, Richard S. 1953. A taxonomic revision of the genus Macrolobium (Leguminosae-Caesalpinioideae). Mem. New York Bot. Gard. 8 (1): 257-342.

• Family

  Caesalpiniaceae

• Scientific Name

  Macrolobium campestre Huber

• Description

  
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  Species Description - Shrub to large tree 35 m. tall, the branchlets and leaves glabrous, very rarely the branchlets sparsely puberulous or pilosulose. Petioles 5-30 mm. long, terete or weakly sulcate to subcanaliculate. Leaf blades 2-3-jugate, sometimes one leaflet of the terminal pair absent and then the leaf pseudo-imparipinnate, the pairs 9-30 mm. apart; rachis 10-60 mm. long, slightly canaliculate or terete on the upper surface, not at all aiate. Petiolules 2-6 mm. long. Leaflets 4-12 cm. long, 2-6 cm. wide, the base inequilateral, acute to subcordate, the apex bluntly acute to long-acuminate; costa impressed on the upper surface, salient beneath, the venules prominulous. Inflorescence 4-28 cm. long, rather densely flowered, the axis pilose to puberulous, the peduncle 0-4 mm. long; bracts 5.5-12.5 mm. long, 1.5-4 mm. wide, lanceolate or elliptic, acuminate, pilose to puberulous; pedicels 2.5-4.5 mm. long, pilose to puberulous; bracteoles 5.5-8.5 mm. long, 3-3.5 mm. wide, oblong to elliptic, pilose to puberulous on the outer surface, pilosulose or glabrous within. Hypanthium 1-2 mm. long, glabrous to puberulous sparingly. Sepals five, the adaxial pair more or less united, 1.5-4 mm. long, 0.5-1.5 mm. wide, oblong to lanceolate or infrequently triangular, the other sepals 2-5 mm. long, 1-2 mm. wide, oblong or linear to elliptic or lanceolate, acute to obtuse. Petal blade 3.5-5.5 mm. long, 5-8 mm. wide, the claw 4-7 mm. long, more or less auriculate, glabrous or pilosulose externally, ciliolate basally, villosulose within, sometimes sparsely so and rarely glabrous. Filaments 17-22.5 mm. long, villosulose in the lower part. Stigma capitellate or capitate. Style 12.5-17 mm. long, glabrous or rarely sparsely puberulous basally. Ovary 2-3.5 mm. long, 1-1.5 mm. wide, oblong glabrous or sparsely and minutely puberulous on the margins, 2-4-ovulate; gynophore 1.5-5 mm. long, subglabrous to pilosulose or puberulous, usually inserted near the apex of the adaxial hypanthial wall, but occasionally basal or midway on the wall. Mature fruit unknown.