''Buddleja perfoliata'' is endemic to the xerophytic and subzerophytic grasslands of central Mexico at elevations of 1500 – 2700 m. The species was first named and described by Kunth in 1818.Kunth, in Humboldt, Bonpland, and Kunth. (1818). ''Nov. gen. sp., ed. fol.'' 2:284, ed. quar. 2:353Norman, E. M. (2000). Buddlejaceae. ''Flora Neotropica 81'', pp. 135 - 141. New York Botanical Garden, USA

Description

''Buddleja perfoliata'' is a small

dioecious Dioecy (; ; adj. dioecious , ) is a characteristic of a species, meaning that it has distinct individual organisms (unisexual) that produce male or female gametes, either directly (in animals) or indirectly (in seed plants). Dioecious reproductio ...

shrub 0.8 – 2 m tall in the wild, much branched, and with a greyish-black shredding bark. The young branches are subquadrangular and tomentose, bearing sessile lanceolate to elliptic opposite subcoriaceous leaves, rugose above with dense felt-like tomentum covering both surfaces. The yellow inflorescences, redolent of

sage Sage or SAGE may refer to: Plants * ''Salvia officinalis'', common sage, a small evergreen subshrub used as a culinary herb ** Lamiaceae, a family of flowering plants commonly known as the mint or deadnettle or sage family ** ''Salvia'', a large ...

, are 5 – 25 cm long, comprising 5 – 26 pairs of heads borne in the axils of the leaves, each head about 1 cm in diameter with 30 – 40 flowers.

Ploidy Ploidy () is the number of complete sets of chromosomes in a cell (biology), cell, and hence the number of possible alleles for Autosome, autosomal and Pseudoautosomal region, pseudoautosomal genes. Sets of chromosomes refer to the number of mat ...

: ''2n'' = 38.

Cultivation

The species is not known to be in cultivation.

References

{{Taxonbar, from=Q4984698 perfoliata Flora of Mexico Flora of Central America Dioecious plants