Top Tweets for #cyperaceae
Resolving the nomenclature and typification of African Hair Sedge—Bulbostylis trabeculata (#Abildgaardieae, #Cyperaceae) and a new record of its distribution in #Asia
https://t.co/dpZgQewWfI
Lost to War, Found by Time: The rediscovery of a Boeckeler’s type specimens and taxonomic realignments within Eleocharis (#Cyperaceae)
https://t.co/VqJhNY6FHR
Revisionary notes on Bulbostylis (#Cyperaceae) in #India: new combinations, synonymy and lectotypification
#taxonomy
https://t.co/is1jxOd2rZ
Carex mazuilingensis (#Cyperaceae), a new sedge from Hainan Island of South #China
#taxonomy #newspecies
https://t.co/fmlSLJNHUa
“To Zion”: Lagenocarpus vicentei sp. nov. (#Cryptangieae, #Cyperaceae) from northern South America and comments on the genus taxonomy
#taxonomy #newspecies
https://t.co/H1lKezoj1K
Eleocharis albalinsae (#Cyperaceae), a new sedge species from northern and northeastern #Brazil
#taxonomy
https://t.co/bqgU5zArDs
Nomenclatural notes and typification of Retzius names in the genus Cyperus (#Cyperaceae)
#taxonomy
https://t.co/2KmN6OCadm
In Geology ✔️ Mineralogy - Botany
#EriophorumCallitrix #ArcticCottongrass #Cyperaceae #BotanicalScience
🔁 Eriophorum caixllitr: The Arctic Cotton That Thrives in Tundra Extremes
▶️ In the harsh, frozen landscapes of the Arctic, a resilient plant sways in the wind, its white, cottony seed heads resembling snowflakes against the tundra.
Eriophorum callitrix, or Arctic cottongrass, is a botanical marvel adapted to survive where few others can.
Environment & Cultivation
Eriophorum callitrix thrives in the Arctic’s tundra and calcareous bogs, spanning from Siberia to Canada, including Greenland, Alaska, and parts of Wyoming.
This perennial sedge
grows in wet, nutrient-poor soils, often in areas with permafrost or seasonal snowmelt.
Its ability to colonize
such extreme environments stems from its cespitose (clumping) growth, which stabilizes soil and retains moisture.
Cultivation is rare
due to its specialized habitat, but it can be grown in cold, wet conditions mimicking tundra ecosystems, such as bog gardens or controlled wetland settings.
Seeds require cold stratification
for germination, reflecting its adaptation to Arctic climates.
Historically, Inuit communities
used its seed heads as wicks for seal oil lamps and as absorbent material, showcasing its cultural significance.
Botanical Information
Eriophorum callitrix, a member of the Cyperaceae (sedge) family, is a perennial monocot with a taxonomic history dating to its description by Adelbert von Chamisso and Carl Anton von Meyer in 1831.
Plants are cespitose
forming dense tufts with culms (stems) 5–50 cm tall, smooth or slightly rough distally.
Leaves are narrow
grass-like, and filiform or trigonous-channeled, 0.4–1.2 mm wide, with 0–1 cauline leaves typically bladeless or with short blades.
The inflorescence
consists of a solitary, erect spikelet, globose in fruit (15–30 mm), with 10–15 pale blackish-brown scales, ovate-lanceolate, and hyaline margins.
Perianth bristles
white to pale brown, give the plant its cottony appearance, aiding wind dispersal of seeds.
Anthers measure 0.6–1.2 mm
Two varieties, E. callitrix var. moravium and var. pallidus, are noted for pale brown or yellow scales, potentially of hybrid origin, with limited distribution.
The plant’s native range
includes temperate and Arctic biomes across Eurasia and North America, fruiting in summer.
Its ecological role
includes providing food for snow geese and caribou, stabilizing tundra soils, and contributing to peat formation.
▶️ Interesting Fact
The Inuit name for Eriophorum callitrix, “pualunnguat,” reflects its traditional use as a wick in seal oil lamps, where the cottony seed heads burned slowly, providing light in Arctic winters.
This practical application
alongside its use as an absorbent material in traditional clothing, underscores its importance in Indigenous cultures.
💥 Have you encountered Arctic cottongrass or other tundra plants in their natural habitat?
🔁 Like & Share your experiences with unique Arctic flora or thoughts on how plants like Eriophorum callitrix adapt to extreme environments.
Let’s discuss below!
🎞️ Tundra Cottongrass
https://t.co/G4nwbHlLSH
Carex yankouensis, a new sedge species from the limestone landform in northern Guangdong, China is described and illustrated.
🔗 https://t.co/dW9cWXjSoY
#Cyperaceae
Rhynchospora shepherdii (#Cyperaceae), a #newspecies of R. section Pauciflorae, and the first evidence of amphi-basicarpy in the genus
https://t.co/IQUjnUhS86
#Taxonomy
Researchers describe and illustrate Carex yangchunensis, a new sedge species from the limestone regions of Guangdong, China.
🔗 https://t.co/O2nqYKADjT
#Cyperaceae
Thank you, @MartinXanthos for sharing your expertise with us today! We appreciate the time you took to delve into the fascinating world of Cyperaceae, shedding light on the unique characteristics, diversity, and importance of sedges.
#PlantTaxonomy #Cyperaceae #Botany #Africa
Jour 3 de la formation - Monocotyledones! On a parlé sur les différences entre des organes souterraines, les #Poaceae et #Cyperaceae, les orchidées entres autres. Les participants à persévéré ! @KewAfrica @UKBCFs @CharlotteCouch1 @mobotgarden
This week we are at @pablodeolavide in Sevilla to train the #iSedge Core Team on how to use the #Aphia platform.
https://t.co/HqZTL26rlm
@pjimmej @TETTRIsEU @intsedgesoc #Cyperaceae
Floristic analysis of Carex (#Cyperaceae), the largest cosmopolitan genus in Yunnan, #China
https://t.co/Jni3bfjta2
#Taxonomy
#Eriophorumangustifolium (Família #Cyperaceae)
Helófito. Turfeiras e depressões húmidas com solos higroturfosos, preferentemente silicícolas.
📷s: Ana Júlia Pereira e Carlos Aguiar.
#registosdasemana #especiedasemana
#Eriophorum
#floraon #FloradePortugal #biodiversidade
Some tresures from my trip to Scandinavia. What a lovely country! 🇧🇻🇸🇪
#Poales #Poaceae #Juncaceae #Cyperaceae #Typhaceae #Carex #Bryophyta #Marchantiophyta #moss #grasses #sedges #Norway #Sweden #plants #collage
Thank you, @pjimmej for letting us hitchhike around the world with you and #Carex this morning - amazing talk showing the power of mobilizing a huge dataset to understand big #biogeography questions in one of the largest genera on Earth
#IBC2024 #Cyperaceae
Teaching #Cyperaceae and #Poaceae morphology and taxonomy with Prof. Rafael Trevisan at @UFSC . We worked through all the tribes and genera of sedges and grasses that occur in Brazil, and the students practiced identifying species from southern Brazil.
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