台湾から新種スゲ

Taxonomic additions of the genus Carex (Cyperaceae) in Taiwan 

https://taiwania.ntu.edu.tw/pdf/tai.2026.71.455.pdf

DOI: 10.6165/tai.2026.71.455

Tian-Chuan HSU

Taiwania 71(3): 455‒471 (2026).

Carex chamaecyparicola T.C. Hsu, sp. nov. 
檜林薹
Type: TAIWAN. Yilan County: Datong Township,
Tsuifeng Lake, ca. 1900 m, 20 May 2016, T.C. Hsu 8469
(holotype: TAIF [herbarium no.: 551720]; isotypes: TAIF
[herbarium no.: 551721]; TNM). 

Paratypes: TAIWAN. Yilan: Taipingshan Forest Recreation
Area, ca. 2000 m, 14 Aug 2001, Leong 2376 (HAST); Taipingshan, ca.
2000 m, 23 Jun 2017, Hsu 9293 (TAIF); Tsuifeng Lake, 1800–1900 m,
3 Jun 2015, Hsu 7739 (TAIF); same loc., ca. 1950 m, 19 Aug 2021, Hsu
13546 (TAIF).


Carex hsinchuensis W.C. Leong & Kuoh ex T.C. Hsu, sp. nov. 
新竹薹
Type: TAIWAN. Hsinchu County: Wufong
Township, Wufong, ca. 350 m, 12 Mar 2025, T.C. Hsu
15881 (holotype: TAIF [herbarium no.: 551725]; isotypes:
TAIF [herbarium no.: 551726]; TNM). 

Paratypes: TAIWAN. Taoyuan: Fuhua, 6 Mar 2010, Chen 1245
(TAIF); Junghua, ca. 500 m, 26 Mar 2011, Lu 21634 (TAIF); same loc.,
18 May 2017, Hsu 9092 (TAIF); same loc., 12 Apr 2018, Hsu 10434
(TAIF); Kala Bridge, 5 Mar 2010, Chen 1241 (TAIF); Kaopo, 6 Mar
2010, Chen 1248 (TAIF); Ssuleng, ca. 1100 m, 18 May 2017, Hsu 9094
(TAIF); Taiping Stream, 19 Jan 2011, Chen 1481 (TAIF). Hsinchu: Chingchuen, ca. 600 m, 2 Mar 2001, Leong 2227 (HAST);
Chiangchunshi, ca. 500 m, 2 Mar 2001, Leong 2226 (HAST); Jianshih,
400–500 m, 26 Jan 2013, Lu 25115 (TAIF); Jianshi Township Office, 7
Oct 2010, Chen 1286 (TAIF); Linchiachuang, ca. 350 m, 7 May 2020,
Hsu 12733 (TAIF); Wufong, 700–800 m, 6 May 2017, Hsu 9062 (TAIF);
same loc., ca. 750 m, 20 Feb 2018, Hsu 10213 (TAIF); same loc., 11
Mar 2018, T.C. Hsu 10218 (TAIF); Yufeng, 700–900 m, 20 Apr 2015,
Hsu 7609 (TAIF); same loc., 15 Apr 2017, Hsu 9020 (TAIF).


Carex leongii T.C. Hsu, sp. nov.
梁氏薹
Type: TAIWAN. Taitung County: Donghe Township, Mt. Tulan, ca. 850 m, 18 Jul 2018, Hsu 10800 (holotype: TAIF [herbarium no.: 551722]; isotypes: TAIF[herbarium no.: 521516 & 551723]; TNM). 

Paratypes: New Taipei: Lailaipi, ca. 5 m, 3 Jan 2022, Hsu 13783
(TAIF); Pitan, ca. 50 m, 23 Jun 2022, Hsu 14223 (TAIF). Yilan:
Guishan Island (“Insl. Kizan”), 2 Jul 1932, Masamune & Suzuki s.n.
(TAI); same loc., ca. 50 m, 5 Jul 2011, Hsu 4258 (TAIF); same loc., ca.
20 m, 8 Nov 2019, Hsu 12274 (TAIF); same loc., ca. 3 m, 3 Sep 2024,
Hsu 15709 (TAIF); Neipi, 6 Sep 2008, Chen 1107 (TAIF); Peikuan, 18
Jun 2008, Kao 1019 (TAIF); Wuyen Cape, ca. 100 m, 7 Jun 2023, Hsu
15024 (TAIF). Hualien: Chimei, ca. 100 m, 16 Jun 2020, Hsu 12977
(TAIF); Chiumei Suspension Bridge, ca. 770 m, 15 Jul 2020, Hsu 12964
(TAIF); Fengping, ca. 5 m, 9 Jun 2015, Hsu 7789 (TAIF); Loshan
Waterfall Trail, ca. 600 m, 31 Jul 2021, Chen 6813 (TAIF); Lushuiheliu
Trail, 21 Nov 2015, Lu 28974 (TAIF); Lushui Trail, 27 Aug 2021, Chen
1967 (TAIF); Meiyuan Jhutsun Trail, 28 October 2009, Jung 4629
(TAIF); Qinbuzhizi Cliffs, ca. 50 m, 27 Jan 2021, Hsu 13243 (TAIF);
Shihchiu Island, 25 Nov 2014, Chen 1354 (TAIF); Tzumu Bridge, 3
Nov 2008, Chen 1174 (TAIF); Wantan to Changhung Bridge, ca. 110
m, 24 May 2025, Hsu 16130 (TAIF). Taitung: Litao to Motien, 1000–
1500 m, 4 Jun 2012, Hsu 5837 (TAIF); Mt. Mali, 1300–1500 m, 5 Oct
2017, Hsu 7321 (TAIF); Mt. Tulan, 700–1000 m, 23 Sep 2010, Hsu
3213 (TAIF); same loc., 800–1000 m, 11 Dec 2016, Lu 30156 (TAIF);
same loc., ca. 800 m, 25 April 2025, Hsu 16029 (TAIF); Lyudao Island
(“Lutao”), 60–120 m, 25 Nov 2005, Hsieh 2272 (TNM); Haisanping, ca.
130 m, 7 Aug 2002, Leong 3290 (HAST); Mt. Amei, 150–300 m, 25
Nov 2005, Lu 10801 (TAIF); Lanyu Island, Hsiaotienchih, ca. 190 m,
14 Oct 2001, Leong 2540 (HAST); same loc., 11 Aug 2002, Leong 3328
(HAST); same loc., 7 Jul 2009, Jung 4098 (TAIF); Mt. Hsiangai, 250–
350 m, 12 Mar 2016, Hsu 8324 (TAIF); Wukungtung Stream, ca. 50 m,
25 Dec 2018, Hsu 11181 (TAIF); same loc., 10 Dec 2024, Hsu 15813
(TAIF). Pingtung: Chilu Tribe, ca. 1100 m, 15 Nov 2020, Hsu 13121
(TAIF); same loc., 21 Oct 2024, Hsu 15776 (TAIF); Hsuhai, 100–150
m, 4 Jul 2008, Hsu 1445 (TAIF); same loc., ca. 180 m, 12 Oct 2019,
Hsu 12142 (TAIF). Nantou: Lele Shelter to Tuikuan, 1700–2100 m, 14
Dec 2011, Hsu 5181 (TAIF). Yunlin: Mt. Shihpi, 1400–1700 m, 6 May
2010, Hsu 2752 (TAIF). 


Carex orthorhyncha T.C. Hsu, sp. nov.
直喙薹
Type: TAIWAN. Taitung: Tashuiku, ca. 820 m, 14 June
2022, T.C. Hsu 14195 (holotype: TAIF [herbarium no.:
548460]; isotypes: TAIF [herbarium no.: 548459]; TNM).

Paratypes: TAIWAN. Yilan: Hsiaopi, ca. 70 m, 5 Jul 2005,
Huang et al. 2153 (HAST; TNM); Shiaupi, 0–50 m, 21 Apr 2002, Lin
2054 (TAIF); Siaopi, 50–100 m, 12 Apr 2015, Hsu 7566 (TAIF); same
loc., 72 m, 12 Apr 2015, Hoshino 24136 (TAIF); same loc., 15 Apr 2015,
Chen 6018 (TAIF); same loc., 16 Jul 2019, Jung 6168 (TAIF); same loc.,
27 Apr 2022, Hsu 14083 (TAIF); same loc., 20 Jun 2025, Hsu 16181
(TAIF); Tungshan, 21 Apr 2002, Lin 488 (TAIF). Taitung: Tashuiku,
820 m, 14 Jun 2022, Hsu 14194 (TAIF). 


Carex pseudorhynchachaenium T.C. Hsu, sp. nov. 
擬喙果薹
Type: TAIWAN. Kaohsiung City: Namasia District,
Mt. Kaoting, 1550 m, 17 November 2020, T.C. Hsu
13136 (holotype: TAIF [herbarium no.: 533936]; isotypes:
TAIF [herbarium no.: 551724]; TNM).

Paratypes: Nantou: Mt. Shuishe, 1600–2000 m, 17 Jun 2010,
Hsu 2833; Hsu 2835 (TAIF). Yunlin: Mt. Shihpi, ca. 1600 m, 21 Jul
2009, Hsu 2253 (TAIF); same loc., 1400–1700 m, 6 May 2010, Hsu
2753 (TAIF). Chiayi: Province Road #18, ca. 1700 m, 28 Oct 2000,
Leong 2125 (HAST); Shihcho to Shihtzulu, 1400–1500 m, 8 Jan 2016,
Hsu 8197 (TAIF); same loc., 1400–1600 m, 10 May 2016, Hsu 8450;
8451 (TAIF); same loc., 31 Jan 2026, Hsu 16580 (TAIF); Kaohsiung:
Mt. Kaoting, ca. 1550 m, 21 Nov 2021, Hsu 13740 (TAIF).

インド産ハタガヤ属の分類学的再検討

Revisionary notes on Bulbostylis (Cyperaceae) in India: new combinations, synonymy and lectotypification

DOI: 10.11646/phytotaxa.762.2.4

NILESH APPASO MADHAV, SNEHA PRADEEP BRAMHADANDE, VASUNDHARA VILAS KHOT, JAGDISH VISHNU DALAVI, SHARAD SURESH KAMBALE, KUMAR VINOD C. GOSAVI, ARUN NIVRUTTI CHANDORE

Phytotaxa 762(2): 137-148 (2026).

レクトタイプ指定：
Isolepis pulchella
Scirpus thwaitesii

45秒〜カヤツリグサ図鑑が映ってる

 https://youtu.be/kRi8OJ4FQCA

ビャッコイニュース

天然記念物にビャッコイ自生地　史跡２件、名勝１件も答申―文化審

2026年06月19日17時00分

https://www.jiji.com/sp/article?k=2026061900874&g=soc

＜答申された登録記念物４件＞

1. 御箱崎の千畳敷（岩手県釜石市）

2. 榎本氏庭園（千葉県我孫子市）

3. 旧浅田氏庭園（武家屋敷跡野村家）（金沢市）

4. 岡山大学構内（旧歩兵隊将校集会所）庭園（岡山市）

ビャッコイ

https://hoshinolab.main.jp/labo/colorzukan/byakzk/byako.htm

虫媒花に進化した属（カヤツリグサ科）

Beyond wind: a systematic review of pollination modes in Cyperaceae 

https://doi.org/10.1093/botlinnean/boag050

Ana Luisa Arantes Chaves, Lucas Alves-Dos-Santos, Mário César De Pinna, Suzana Maria Costa, Isabel Cristina Sobreira Machado, Gladys Flávia de A Melo-De-Pinna

Botanical Journal of the Linnean Society boag050 (2026).

historical evidence of biotic pollination and propose a theoretical gradient of floral attributes to infer pollination modes in the family

野外実験による直接的な証拠が記録されている属（3属）:
Cyperus, Eleocharis, Rhynchospora

主に訪花者の記録に基づく間接的な証拠がある属（10属）:
Bolboschoenus, Carex, Diplasia, Eleocharis, Ficinia, Hypolytrum, Krenakia, Lagenocarpus, Mapania, Schoenoplectiella

スロバキアのクグスゲ分布の現状

A comprehensive study of the sedge species Carex pseudocyperus in Slovakia: distribution and syntaxonomy

https://doi.org/10.1007/s11756-025-02031-1

Monika Majerová, Richard Hrivnák, Jana Májeková & Michal Slezák 

Biologia (2025).

取り扱い：レッドデータ種（IUCN Plant Red Lists）

データ: 標本、文献、目視

標本庫（スロバキア）：BRA, KO, LTM, NI, POP, SAV, SLO, SMBB, SNV, TM

結果: 150地点以上での確認

標高: 885 m alt. (the Muránska planina Mts, in the Mokrá Poľana Nature Reserve)
～100 m alt. (the Latorica River basin)

スロバキア-Google map-
https://maps.app.goo.gl/s9FvyYrEX33fdN2MA

韓国南部のオオヌマハリイの種内遺伝構造

Genetic Variation and Spatial Genetic Structure of Eleocharis ussuriensis Zinserl. in South Korea: Implications for Ecological Monitoring and Resource Management

https://doi.org/10.3390/genes17050513

Genes 17(5): 513 (2026).

種内遺伝構造の解析
マーカー：SSR 21マーカー 
試験集団：６集団120個体

合計 201 対立遺伝子
多型情報含有値（polymorphism information content） (PIC)：0.759
ヘテロ接合型（heterozygosity）0.360 
ヘテロ接合の期待値（expected heterozygosity）0.281
　→大きいほど集団の多様性が高い
複数遺伝子座の遺伝子型（multilocus genotype ratios (G/N)）0.30-1.00

遺伝的分化の指標（Genetic differentiation: 
substantial (FST = 0.373–0.669; Jost’s D = 0.540–0.997).
＊Jost's D ：実質的な種類の数、大きいほど種数が多い
　　　　　　（有効種数）　
＊FST：グループが混ざっているか、別々かの指標
　（１に近いとほぼ別種、０に近いと似ている）