Cyperaceae taxon details
Costularia microcarpa (Cherm.) Kük.
1679151 (urn:lsid:marinespecies.org:taxname:1679151)
accepted
Species
Costularia baronii var. microcarpa Cherm. · unaccepted
terrestrial
(of Costularia baronii var. microcarpa Cherm.) Chermezon, H. (1925). Diagnoses de Cypéracées nouvelles de Madagascar, II. <em>Bulletin de la Société botanique de France.</em> 72: 613-618., available online at https://bibdigital.rjb.csic.es/viewer/14578/?offset=#page=662&viewer=picture&o=bookmark&n=0&q=
page(s): 617 [details] Available for editors
[request]
page(s): 617 [details] Available for editors
[request]
Lectotype (of Costularia baronii var. microcarpa...
Lectotype (of Costularia baronii var. microcarpa Cherm.) P 00723561, geounit Madagascar [details]
Description Very robust and tall perennial herb: Culm robust, 1.2–2 m × c. 6 mm. Basal leaves firm, long, five mm wide, flat, edges...
Distribution Endemic to the Ihorombe region of Fianarantsoa province in Madagascar.
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Repert. Spec. Nov. Regni Veg. 46: 69. 1939 to Repert. Spec. Nov....
Description Very robust and tall perennial herb: Culm robust, 1.2–2 m × c. 6 mm. Basal leaves firm, long, five mm wide, flat, edges denticulate, involute, long attenuated; leaf sheaths up to 9 cm × 8–10 mm, brownish. Inflorescence a long, dense and complex panicle, built up from multiple branched fascicles; inflorescence bracts setaceous, shorter than fascicles, sheaths long and brown. Peduncles longest c. 7.5 cm. Pedicels of the spikelets two to four mm long, curved. Spikelets very numerous, most individually pedicellate, less often sessile, oblong ± 6–7.5 × 1–1.5 mm, subterete, arcuate. Glumes subdistichous, coriaceous, straw-coloured to purplish-striate; lower 6–10 glumes empty, ovate, subobtuse, with sparsely ciliolate margins; upper 2 fertile glumes lanceolate, acute, the topmost glume somewhat reduced. Flowers 2, lower male, upper bisexual. Perianth bristles 6, overtopping the nutlet, plumose from base to tip. Stamens 3. Style long, trifid, base thickened, hispidulous apex persistent. Nutlet obovate swollen-trigonous, two mm long, base attenuate, reddish, slightly rugulose. [details]
Distribution Endemic to the Ihorombe region of Fianarantsoa province in Madagascar.
Distribution Endemic to the Ihorombe region of Fianarantsoa province in Madagascar. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Repert. Spec. Nov. Regni Veg. 46: 69. 1939 to Repert. Spec. Nov....
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Repert. Spec. Nov. Regni Veg. 46: 69. 1939 to Repert. Spec. Nov. Regni Veg. 46: 69 (1939), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Costularia microcarpa (Cherm.) Kük.. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1679151 on 2025-04-20
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Nomenclature
original description
(of Costularia baronii var. microcarpa Cherm.) Chermezon, H. (1925). Diagnoses de Cypéracées nouvelles de Madagascar, II. <em>Bulletin de la Société botanique de France.</em> 72: 613-618., available online at https://bibdigital.rjb.csic.es/viewer/14578/?offset=#page=662&viewer=picture&o=bookmark&n=0&q=
page(s): 617 [details] Available for editors [request]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
page(s): 617 [details] Available for editors
[request]basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
Present Inaccurate Introduced: alien Containing type locality
Lectotype (of Costularia baronii var. microcarpa Cherm.) P 00723561, geounit Madagascar [details]
From editor or global species database
Description Very robust and tall perennial herb: Culm robust, 1.2–2 m × c. 6 mm. Basal leaves firm, long, five mm wide, flat, edges denticulate, involute, long attenuated; leaf sheaths up to 9 cm × 8–10 mm, brownish. Inflorescence a long, dense and complex panicle, built up from multiple branched fascicles; inflorescence bracts setaceous, shorter than fascicles, sheaths long and brown. Peduncles longest c. 7.5 cm. Pedicels of the spikelets two to four mm long, curved. Spikelets very numerous, most individually pedicellate, less often sessile, oblong ± 6–7.5 × 1–1.5 mm, subterete, arcuate. Glumes subdistichous, coriaceous, straw-coloured to purplish-striate; lower 6–10 glumes empty, ovate, subobtuse, with sparsely ciliolate margins; upper 2 fertile glumes lanceolate, acute, the topmost glume somewhat reduced. Flowers 2, lower male, upper bisexual. Perianth bristles 6, overtopping the nutlet, plumose from base to tip. Stamens 3. Style long, trifid, base thickened, hispidulous apex persistent. Nutlet obovate swollen-trigonous, two mm long, base attenuate, reddish, slightly rugulose. [details]Distribution Endemic to the Ihorombe region of Fianarantsoa province in Madagascar. [details]
Ecology Found growing on shaded, humid sandstone in Isalo National Park at an elevation of c. 1,000 m.
Only known specimen was collected in October as flowering. [details]
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Repert. Spec. Nov. Regni Veg. 46: 69. 1939 to Repert. Spec. Nov. Regni Veg. 46: 69 (1939), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
To International Plant Names Index (IPNI)
To International Plant Names Index (IPNI) (from synonym Costularia baronii var. microcarpa Cherm.)
To IUCN Red List (Data Deficient)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00459969 isolectotype 1) (from synonym Costularia baronii var. microcarpa Cherm.)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00459970 isolectotype 2) (from synonym Costularia baronii var. microcarpa Cherm.)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00459971 isolectotype 3) (from synonym Costularia baronii var. microcarpa Cherm.)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00723561 lectotype 1) (from synonym Costularia baronii var. microcarpa Cherm.)
To Plants of the World Online (from synonym Costularia baronii var. microcarpa Cherm.)
To Plants of the World Online
To International Plant Names Index (IPNI) (from synonym Costularia baronii var. microcarpa Cherm.)
To IUCN Red List (Data Deficient)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00459969 isolectotype 1) (from synonym Costularia baronii var. microcarpa Cherm.)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00459970 isolectotype 2) (from synonym Costularia baronii var. microcarpa Cherm.)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00459971 isolectotype 3) (from synonym Costularia baronii var. microcarpa Cherm.)
To Muséum National d'Histoire Naturelle, Paris (Costularia baronii var. microcarpa P00723561 lectotype 1) (from synonym Costularia baronii var. microcarpa Cherm.)
To Plants of the World Online (from synonym Costularia baronii var. microcarpa Cherm.)
To Plants of the World Online
