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Cyperaceae taxon details

Bulbostylis densa (Wall.) Hand.-Mazz.

To New York Botanical Garden Steere Herbarium (Bulbostylis_densa_NY51254_type_1)
To New York Botanical Garden Steere Herbarium (Bulbostylis_densa_NY51254_type_1)

1678707  (urn:lsid:marinespecies.org:taxname:1678707)

  1. Biota
  2. Plantae (Kingdom)
  3. Viridiplantae (Subkingdom)
  4. Streptophyta (Infrakingdom)
  5. Tracheophyta (Phylum (Division))
  6. Spermatophytina (Subphylum (Subdivision))
  7. Magnoliopsida (Class)
  8. Lilianae (Superorder)
  9. Poales (Order)
  10. Cyperaceae (Family)
  11. Abildgaardieae (Tribe)
  12. Bulbostylis (Genus)
  13. Bulbostylis densa (Species)
accepted
Species

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marine, brackish, fresh, terrestrial
recent only
Not documented
Description Slender tufted annual, mostly glabrous. Culms compressed, glabrous, smooth, 5–40 cm high, 0.2–0.4 mm diam. Leaves much...  
Description Slender tufted annual, mostly glabrous. Culms compressed, glabrous, smooth, 5–40 cm high, 0.2–0.4 mm diam. Leaves much shorter than culms, 0.2–0.3 mm wide. Inflorescence simple or subcompound, to 5 cm long, with 1-many solitary spikelets on branches to 2 cm long; involucral bracts usually very short, glume-like, or the lowest 1 or 2 leaf-like, sometimes to 7 cm long. Spikelets solitary, oblong-ovoid, acute, 3–6 mm long, 1.7–2 mm diam. Glumes acute, muticous, strongly keeled, 1.7–2 mm long, with ciliolate or glabrous margins, red-brown to very dark red-brown. Stamens 2; anthers 0.2–0.3 mm long. Style 3-fid. Nut triquetrous, obovoid to broad-obovoid, 0.7–0.9 mm long, 0.5–0.8 mm diam., minutely verruculose, straw-coloured to greyish; epidermal cells isodiametric to oblong. [details]

Description Rhizomes absent. Culms tufted, 7-35 cm tall, slender, smooth. Leaf sheath pale, membranous, mouth long pilose; leaf blade...  
Description Rhizomes absent. Culms tufted, 7-35 cm tall, slender, smooth. Leaf sheath pale, membranous, mouth long pilose; leaf blade filiform, 5-10(-13) × ca. 0.6 mm, papery, abaxially sparsely pilose, margin entire and slightly revolute, apex acuminate. Involucral bracts 2 or 3, setaceous to glumelike, 0.8-1.5 cm, much shorter than inflorescence, apex acuminate. Inflorescence a simple or subcompound anthela, with 4-7 spikelets; rays 3-5, 2-5 cm. Spikelets solitary or clustered, oblong-ovoid to ovoid, 3-6 × ca. 1.5 mm, 5-18-flowered, base rounded, apex acute. Glumes brown, ovate to broadly ovate, 1.5-2 × 1-1.5 mm, membranous, 1-3-veined, base rounded, margin ciliate, apex obtuse to rarely acute; empty glumes yellowish green, apex sometimes mucronate. Stamens 2; anthers oblong-ovoid to ovoid, base cuneate, apex acute. Style filiform; stigmas 3. Nutlet grayish purple at maturity, obovoid, ca. 0.8 × 0.5-0.6 mm, 3-sided, inconspicuously undulate-corrugate and puncticulate, apex contracted with a persistent depressed bulbous style base. Fl. and fr. Apr-Dec. 2n = 64. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Vegetationsbilder xx. Heft 7, p. [16] (1930), in obs. to...  
Taxonomic remark Source in seed data: wcs Update namepublishedIn from Vegetationsbilder xx. Heft 7, p. [16] (1930), in obs. to Vegetationsbilder 20(7): 16 (1930), 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. Bulbostylis densa (Wall.) Hand.-Mazz.. Accessed at: https://cyperaceae.org/aphia.php?p=taxdetails&id=1678707 on 2026-06-08
Date
action
by
2023-09-06 07:35:01Z
created
Larridon, Isabel
2024-12-10 11:47:54Z
unchecked
db_admin
2025-07-25 05:21:29Z
changed
Wilson, Karen L.

Creative Commons License The webpage text is licensed under a Creative Commons Attribution 4.0 License


Nomenclature

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  PDF available [request]

 
 Present  Inaccurate  Introduced: alien  Containing type locality 
   

From editor or global species database
Description Slender tufted annual, mostly glabrous. Culms compressed, glabrous, smooth, 5–40 cm high, 0.2–0.4 mm diam. Leaves much shorter than culms, 0.2–0.3 mm wide. Inflorescence simple or subcompound, to 5 cm long, with 1-many solitary spikelets on branches to 2 cm long; involucral bracts usually very short, glume-like, or the lowest 1 or 2 leaf-like, sometimes to 7 cm long. Spikelets solitary, oblong-ovoid, acute, 3–6 mm long, 1.7–2 mm diam. Glumes acute, muticous, strongly keeled, 1.7–2 mm long, with ciliolate or glabrous margins, red-brown to very dark red-brown. Stamens 2; anthers 0.2–0.3 mm long. Style 3-fid. Nut triquetrous, obovoid to broad-obovoid, 0.7–0.9 mm long, 0.5–0.8 mm diam., minutely verruculose, straw-coloured to greyish; epidermal cells isodiametric to oblong. [details]

Description Rhizomes absent. Culms tufted, 7-35 cm tall, slender, smooth. Leaf sheath pale, membranous, mouth long pilose; leaf blade filiform, 5-10(-13) × ca. 0.6 mm, papery, abaxially sparsely pilose, margin entire and slightly revolute, apex acuminate. Involucral bracts 2 or 3, setaceous to glumelike, 0.8-1.5 cm, much shorter than inflorescence, apex acuminate. Inflorescence a simple or subcompound anthela, with 4-7 spikelets; rays 3-5, 2-5 cm. Spikelets solitary or clustered, oblong-ovoid to ovoid, 3-6 × ca. 1.5 mm, 5-18-flowered, base rounded, apex acute. Glumes brown, ovate to broadly ovate, 1.5-2 × 1-1.5 mm, membranous, 1-3-veined, base rounded, margin ciliate, apex obtuse to rarely acute; empty glumes yellowish green, apex sometimes mucronate. Stamens 2; anthers oblong-ovoid to ovoid, base cuneate, apex acute. Style filiform; stigmas 3. Nutlet grayish purple at maturity, obovoid, ca. 0.8 × 0.5-0.6 mm, 3-sided, inconspicuously undulate-corrugate and puncticulate, apex contracted with a persistent depressed bulbous style base. Fl. and fr. Apr-Dec. 2n = 64. [details]

Taxonomic remark Source in seed data: wcs Update namepublishedIn from Vegetationsbilder xx. Heft 7, p. [16] (1930), in obs. to Vegetationsbilder 20(7): 16 (1930), information provided by Alan E. on email Jun. 07 2021 More details could be found in [details]
    Definitions

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To Biodiversity Heritage Library (23 publications) 
To Biodiversity Heritage Library (3 publications) (from synonym Fimbristylis densa (Wall.) T.Koyama & T.I.Chuang)
To Biodiversity Heritage Library (38 publications) (from synonym Scirpus densus Wall.)
To Biodiversity Heritage Library (8 publications) (from synonym Isolepis tenuissima D.Don)
To Biodiversity Heritage Library (8 publications) (from synonym Isolepis densa (Wall.) Schult.)
To Biodiversity Heritage Library (8 publications) (from synonym Isolepis densa (Wall.) Nees)
To European Nucleotide Archive, ENA (Bulbostylis densa) 
To European Nucleotide Archive, ENA (Fimbristylis densa) (from synonym Fimbristylis densa (Wall.) T.Koyama & T.I.Chuang)
To European Nucleotide Archive, ENA (Isolepis tenuissima) (from synonym Isolepis tenuissima D.Don)
To GenBank (9 nucleotides; 3 proteins) 
To International Plant Names Index (IPNI) 
To International Plant Names Index (IPNI) (from synonym Abildgaardia densa (Wall.) Lye)
To International Plant Names Index (IPNI) (from synonym Fimbristylis densa (Wall.) T.Koyama & T.I.Chuang)
To International Plant Names Index (IPNI) (from synonym Bulbostylis tenuissima (D.Don) Nakai)
To International Plant Names Index (IPNI) (from synonym Isolepis densa (Wall.) Schult.)
To International Plant Names Index (IPNI) (from synonym Isolepis tenuissima D.Don)
To International Plant Names Index (IPNI) (from synonym Scirpus densus Wall.)
To International Plant Names Index (IPNI) (from synonym Stenophyllus capillaris var. laxa H.Pfeiff.)
To International Plant Names Index (IPNI) (from synonym Stenophyllus capillaris var. densus (Wall.) H.Pfeiff.)
To IUCN Red List (Least Concern) 
To New York Botanical Garden Steere Herbarium (Bulbostylis_densa_NY51254_type_1) 
To New York Botanical Garden Steere Herbarium (Bulbostylis_densa_NY51255_type_1) 
To New York Botanical Garden Steere Herbarium (Bulbostylis_densa_NY51256_type_1) 
To New York Botanical Garden Steere Herbarium (Bulbostylis_densa_NY51257_type_1) 
To Plants of the World Online (from synonym Bulbostylis tenuissima (D.Don) Nakai)
To Plants of the World Online (from synonym Abildgaardia densa (Wall.) Lye)
To Plants of the World Online 
To Plants of the World Online (from synonym Fimbristylis densa (Wall.) T.Koyama & T.I.Chuang)
To Plants of the World Online (from synonym Isolepis tenuissima D.Don)
To Plants of the World Online (from synonym Isolepis densa (Wall.) Schult.)
To Plants of the World Online (from synonym Bulbostylis capillaris f. densus (Wall.) C.B.Clarke)
To Plants of the World Online (from synonym Stenophyllus capillaris var. densus (Wall.) H.Pfeiff.)
To Plants of the World Online (from synonym Stenophyllus capillaris var. laxa H.Pfeiff.)
To Plants of the World Online (from synonym Scirpus densus Wall.)
To Royal Botanic Garden Edinburgh Herbarium (Isolepis tenuissima E00393338 possible type 1) (from synonym Isolepis tenuissima D.Don)
To Royal Botanic Garden Edinburgh Herbarium (Scirpus densus E00386666 type 1) (from synonym Scirpus densus Wall.)
To Royal Botanic Garden Edinburgh Herbarium (Scirpus densus E00386667 type 1) (from synonym Scirpus densus Wall.)
To Royal Botanic Garden Edinburgh Herbarium (Scirpus densus E00386668 type 1) (from synonym Scirpus densus Wall.)
To Royal Botanic Garden Edinburgh Herbarium (Scirpus densus E00386669 type 1) (from synonym Scirpus densus Wall.)
To Royal Botanic Garden Edinburgh Herbarium (Scirpus densus E00386670 type 1) (from synonym Scirpus densus Wall.)
To the Natural History Museum, London (Bulbostylis densa (Wall.) Hand.-Mazz. BM013399958 type 1) 
To The Plant List (from synonym Isolepis densa (Wall.) Nees)
To The Plant List (from synonym Stenophyllus densus f. trifidus (Wall.) H.Pfeiff.)
From editor or global species database
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