Cyperaceae taxon details
Carex nodosa S.R.Zhang, J.Zhang, Z.Y.Liu, S.Qu & R.G.Han
1676603 (urn:lsid:marinespecies.org:taxname:1676603)
accepted
Species
terrestrial
Zhang, S. R. et al. (2018). Carex nodosa (Cyperaceae), a new species from SW China. <em>Nordic Journal of Botany.</em> 36(8): 01900. [details] Available for editors 
[request]
[request]
Holotype PE, geounit China
Holotype PE, geounit China [details]
Description
Rhizome stoloniferous. Culms 49--83 cm tall, 1.2--1.5(--1.8) mm thick, trigonous, slender, stiff,
multinoded, clothed...
Rhizome stoloniferous. Culms 49--83 cm tall, 1.2--1.5(--1.8) mm thick, trigonous, slender, stiff,
multinoded, clothed...
Description
Rhizome stoloniferous. Culms 49--83 cm tall, 1.2--1.5(--1.8) mm thick, trigonous, slender, stiff,
multinoded, clothed with dark purplish brown and bladeless sheaths at lower part; sheaths 1.5--9.4 cm
long. Upper leaves as long as or longer than culm; blades 2--3 mm wide, flat, with transverse septate nodes
between longitudinal veins, rather long sheathed; sheaths often overlapping, dark purplish brown; upmost
leaf bract-like, much smaller. Involucral bract sheath-like, included in to totally exerted from upmost leaf
sheath, up to 7 cm long, usually with a bristle at top, bristle 1--9.2 mm long, upper bracts sheath-like with
shorter bristle or without bristle. Spikes 3 or 4, remote; terminal spike male, linear, 4--7.5 cm long, 1.2--2
mm wide; lateral spikes female, narrowly cylindrical, 2.3--5.2 cm long, 2.1--3.6 mm wide, with 14--32
laxly arranged spikelets; peduncles of lateral spikes filiform. Male scales yellowish brown, oblanceolate,
7.1--8.6 mm long, 1.5--1.9 mm wide, membranous, apex blunt or bluntly acute. Female scales brown,
obovate-oblong or oblong, 2.5--2.6 mm long, 1.2--1.4 mm wide, membranous, midrib green, 1-veined,
apex acute. Perigynia green, sometimes reddish brown at lower part, easily deciduous in maturity, longer
than scale, obovoid-ellipsoid or ellipsoid, obtusely trigonous, 3--3.6 mm long, 1.1--1.5 mm wide,
herbaceous, glabrous except ciliate beak, distinctly 2-veined laterally with several thinner veins between,
base cuneate, apex abruptly contracted into a beak; beak 0.7--1 mm long, orifice shortly 2-toothed.
Achene tightly enveloped in perigynium, obovoid or ellipsoid, trigonous, 2--2.5 mm long, 1.2--1.5 mm
wide. Stigmas 3. [details]
Rhizome stoloniferous. Culms 49--83 cm tall, 1.2--1.5(--1.8) mm thick, trigonous, slender, stiff,
multinoded, clothed with dark purplish brown and bladeless sheaths at lower part; sheaths 1.5--9.4 cm
long. Upper leaves as long as or longer than culm; blades 2--3 mm wide, flat, with transverse septate nodes
between longitudinal veins, rather long sheathed; sheaths often overlapping, dark purplish brown; upmost
leaf bract-like, much smaller. Involucral bract sheath-like, included in to totally exerted from upmost leaf
sheath, up to 7 cm long, usually with a bristle at top, bristle 1--9.2 mm long, upper bracts sheath-like with
shorter bristle or without bristle. Spikes 3 or 4, remote; terminal spike male, linear, 4--7.5 cm long, 1.2--2
mm wide; lateral spikes female, narrowly cylindrical, 2.3--5.2 cm long, 2.1--3.6 mm wide, with 14--32
laxly arranged spikelets; peduncles of lateral spikes filiform. Male scales yellowish brown, oblanceolate,
7.1--8.6 mm long, 1.5--1.9 mm wide, membranous, apex blunt or bluntly acute. Female scales brown,
obovate-oblong or oblong, 2.5--2.6 mm long, 1.2--1.4 mm wide, membranous, midrib green, 1-veined,
apex acute. Perigynia green, sometimes reddish brown at lower part, easily deciduous in maturity, longer
than scale, obovoid-ellipsoid or ellipsoid, obtusely trigonous, 3--3.6 mm long, 1.1--1.5 mm wide,
herbaceous, glabrous except ciliate beak, distinctly 2-veined laterally with several thinner veins between,
base cuneate, apex abruptly contracted into a beak; beak 0.7--1 mm long, orifice shortly 2-toothed.
Achene tightly enveloped in perigynium, obovoid or ellipsoid, trigonous, 2--2.5 mm long, 1.2--1.5 mm
wide. Stigmas 3. [details]
Cyperaceae Working Group. (2025). [see How to cite]. Global Cyperaceae Database. Carex nodosa S.R.Zhang, J.Zhang, Z.Y.Liu, S.Qu & R.G.Han. Accessed at: https://www.cyperaceae.org/aphia.php?p=taxdetails&id=1676603 on 2025-09-13
Date
action
by
2024-12-10 11:47:54Z
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db_admin
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
original description
Zhang, S. R. et al. (2018). Carex nodosa (Cyperaceae), a new species from SW China. <em>Nordic Journal of Botany.</em> 36(8): 01900. [details] Available for editors [request]
basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
[request]basis of record Plants of the World Online (POWO). , available online at https://powo.science.kew.org/ [details]
Other
additional source
Li, B. Z.; Zhang, S. R. (2024). An updated species checklist and taxonomic synopsis of Cyperaceae in China. <em>Biodiversity Science.</em> 32(7): 24106., available online at https://doi.org/10.17520/biods.2024106 [details] Available for editors [request]
[request]
Present Inaccurate Introduced: alien Containing type locality
Holotype PE, geounit China [details]
From editor or global species database
Description Rhizome stoloniferous. Culms 49--83 cm tall, 1.2--1.5(--1.8) mm thick, trigonous, slender, stiff,
multinoded, clothed with dark purplish brown and bladeless sheaths at lower part; sheaths 1.5--9.4 cm
long. Upper leaves as long as or longer than culm; blades 2--3 mm wide, flat, with transverse septate nodes
between longitudinal veins, rather long sheathed; sheaths often overlapping, dark purplish brown; upmost
leaf bract-like, much smaller. Involucral bract sheath-like, included in to totally exerted from upmost leaf
sheath, up to 7 cm long, usually with a bristle at top, bristle 1--9.2 mm long, upper bracts sheath-like with
shorter bristle or without bristle. Spikes 3 or 4, remote; terminal spike male, linear, 4--7.5 cm long, 1.2--2
mm wide; lateral spikes female, narrowly cylindrical, 2.3--5.2 cm long, 2.1--3.6 mm wide, with 14--32
laxly arranged spikelets; peduncles of lateral spikes filiform. Male scales yellowish brown, oblanceolate,
7.1--8.6 mm long, 1.5--1.9 mm wide, membranous, apex blunt or bluntly acute. Female scales brown,
obovate-oblong or oblong, 2.5--2.6 mm long, 1.2--1.4 mm wide, membranous, midrib green, 1-veined,
apex acute. Perigynia green, sometimes reddish brown at lower part, easily deciduous in maturity, longer
than scale, obovoid-ellipsoid or ellipsoid, obtusely trigonous, 3--3.6 mm long, 1.1--1.5 mm wide,
herbaceous, glabrous except ciliate beak, distinctly 2-veined laterally with several thinner veins between,
base cuneate, apex abruptly contracted into a beak; beak 0.7--1 mm long, orifice shortly 2-toothed.
Achene tightly enveloped in perigynium, obovoid or ellipsoid, trigonous, 2--2.5 mm long, 1.2--1.5 mm
wide. Stigmas 3. [details]
