Pandanus concretus
species of plant

Pandanus concretus is a dioecious tree in the screwpine genus. It is endemic to Madagascar, found in Toliara province. Pandanus concretus is the accepted name, but it has also been called Pandanus centrifugalis, P. dauphinensis, P. erectus and P. madagascarensis.
Description
Pandanus concretus (as described by St. John under the proposed name P. centrifugalis) is a tree up to 10 m tall with brown bark and a trunk up to 20 cm in diameter. The trunk is armed with sharp, conic spines. The crown of the tree is wide. Below the crown are branchlets 8.5 cm in diameter. Leaves are 9-11 cm wide, 1.58- 1.65 m long and without cross-veins, except near the base. Edges and midribs of the leaves are armed with spines to 6–8 mm long.
The public source identifies “Pandanus concretus” as species of plant. This brief keeps that definition visible, then builds a research path around Pandanus, concretus and species.
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The date and method of observation matter as much as the stated conclusion, especially where classification or consensus has changed. The source revision retrieved here is dated Oct 17, 2025. The linked authority identifier is Q15577489. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Pandanus concretus” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.