Xylopia section Stenoxylopia Engl. & Diels

Johnson, David M. & Murray, Nancy A., 2020, A revision of Xylopia L. (Annonaceae): the species of Madagascar and the Mascarene islands, Adansonia 42 (1), pp. 1-88 : 38

publication ID

https://doi.org/ 10.5252/adansonia2020v42a1

DOI

https://doi.org/10.5281/zenodo.10498444

persistent identifier

https://treatment.plazi.org/id/417D87A4-FFDA-FFCB-FF12-57CD366BFD30

treatment provided by

Tatiana

scientific name

Xylopia section Stenoxylopia Engl. & Diels
status

 

III. Xylopia section Stenoxylopia Engl. & Diels

Monographien Afrikanischer Pflanzen-Familien und Gattungen 6: 59 (1901). — Type: Xylopia odoratissima Welw. ex Oliv. View in CoL (lecto-, designated in Stull et al. [2017: 221]).

DESCRIPTION

Nodes with branches from one to three axillary buds; outer petals lanceolate to linear, rarely ovate; inner petals lanceolate to linear, rarely ovate, fleshy basal margins absent in Malagasy species; anther connective apex shield-shaped to capitate, overhanging anther thecae; staminal cone rudimentary to well-developed, partially to completely concealing the ovaries, rim even to irregularly laciniate; carpels 3-9 in Malagasy species, the stigmas connivent, smooth; arils absent; seed coat smooth, rarely slightly papillate, pitted, or wrinkled, sarcotesta present, in Malagasy species either orange to red or light green to yellow-green. This section is represented by 34 species in tropical Africa ( Johnson & Murray 2018), 23 species on Madagascar, and c. 40 species in Southeast Asia.

NOTES

Many of the sect. Stenoxylopia species from Madagascar are still imperfectly known: for example, X. carinata , sp. nov., X. ghesquiereana , and X. humbertii are unknown in fruit, and X. longirostra , sp. nov., and X. marojejyana , sp. nov., are unknown in flower. Some assignments of the Madagascar sect. Stenoxylopia species to the three subclade groups in the Phylogeny section were thus provisional. Given the tentative nature of the subclade classifications the species of the section appear alphabetically in the following account.

Kingdom

Plantae

Phylum

Tracheophyta

Class

Magnoliopsida

Order

Magnoliales

Family

Annonaceae

Loc

Xylopia section Stenoxylopia Engl. & Diels

Johnson, David M. & Murray, Nancy A. 2020
2020
Loc

Xylopia section Stenoxylopia Engl. & Diels

Xylopia section Stenoxylopia Engl. & Diels
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