Isoetes coromandeliana L. f.

 
  • Family (Christenhusz et al, 2011) : ISOETACEAE
  • Family (As per The Plant List) : Isoetaceae
  • Species : Isoetes coromandeliana
  • Species Name (as per The Plant List) : Calamaria coromandelina (L. f.) Kuntze
  • Common name : Quillworts
  • Collection Nos : HFP 2559
  • Collector(s) Name : S.S.Hooper & C.J.Saldanha
  • Key identification features : Corm subterranean, broadly obconical to hemispherical, withered in well matured, larger plants, bearing upto 8 cm long fibrous roots densely all over. Leaves tufted, erect, linear, grass-like, widest and thinnest at the base, progressively tapered and thickened towards acicular apex, dark green, herbaceous, glabrous. Sporangia borne at the base of the leaves, heterosporangiate; megasporangia common, planoconvex or reniform, connected with ligule at the apex, sporangial wall very thin, flapped by thin, membranaceous, entire ligule; microsporangia similar to megasporangia but rare; megaspores granular, whitish, triangular, terete, with a narrow perispore; microspores whitish when dry, greyish when wet, powdery, monolete.
  • Habit : Herb-Aquatic
  • Native : India
  • Comments : Grows partially submerged in water along the margins of ponds.
  • Conservation Status : Rare (R)
  • Collection Locality : Hassan
  • Distribution Locality : Chikamagalur;Hassan; Mandya; Shimoga
  • Floras referred : Fraser-Jenkins, Taxonomic revision of Indian Subcontinental Pteridophytes 2008; Rajagopal & Bhat, Pteridophytic flora of Karnataka State- 1998

Description

Herbarium Specimen(s)

Comments

All fields are required







Creative Commons License
Digital Flora of Karnataka by Herbarium JCB is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.
Based on a work at http://florakarnataka.ces.iisc.ernet.in.