Thank you Dr. M K Battacharya for such nice elaborate information may I know the original reference where these write ups appear in the original form? A pd f will be very helpful. Thanks.
usha di On Wed, Oct 31, 2012 at 9:39 AM, jmgarg1 <[email protected]> wrote: > A reply: > "Dear allDr Fraser Jenkin's comment has made the topic interesting. He > has refered to work of Masuyama of Japan. I furnish below some of the > differences between the two species pointed out by Masuyama. I think it is > worth comparing the plant with the characteristics pointed out here. C > ERATOPTERIS Brongniart, Bull. Sci. Soc. Philom. Paris, sér. 3, 8: 186. > 1821[1822 per ING]. > > 水蕨属 shui jue shu > > Lin Youxing (林尤兴); Shigeo Masuyama > > *Parkeria* Hooker. > > Ferns annual, juicy, aquatic. Rhizome erect, short, with thick roots, > dictyostele, with scales at apex; scales broadly ovate or cordate to > peltate, entire, thin, brownish hyaline. Fronds clustered, dimorphic; stipe > green, ± expanded, semicylindrical, fleshy, smooth, with sparse scales, > with many longitudinal ridges on surface and many small vascular bundles > inside. Sterile lamina green, ovate- to lanceolate-triangular, thinly > herbaceous, simple or pinnate; ultimate lobe broadly lanceolate or > loriform, entire, acute at apex; veins anastomosing; gemma occasionally > formed in axil of pinnae, brownish, small, ovate, resulting in juveniles > through asexual propagation. Fertile lamina similar in morphology to > sterile lamina but normally taller, divided more deeply and finely; > ultimate lobe reflexed toward costa to enclose sori, green when young and > brownish when old, linear to siliquiform; rachis green, with longitudinal > ridges, deplanate when dry. Sori attached along costa, narrowly linear, > covered with reflexed margin of lobe. Sporangium large, subsessile; annulus > broad, vertical, consisting of 0–70 incrassate cells; trilete mark obvious > or not. Spores 16 or 32 per sporangium, large, tetrahedral, trilete, with > fine, parallel ridgelike ornamentations. *x* = 13(39). > > Four to seven species: tropics and subtropics; two species in China. > > In China, the rhizomes and fronds are used medicinally for treating fetal > toxins and phlegm buildup. The young fronds are used as a vegetable. > > 1a. Plants rooting in silt; sterile frond varied in form, pinnate to > 3-pinnate, tall or short depending on environment; stipe 3–30 cm, ca. 1 cm > in diam., base unexpanded; fertile fronds taller than sterile ones, lamina > oblong or ovate-triangular > ............................................................... 1. *C. > thalictroides* > > 1b. Plants usually floating; sterile frond simple to pinnatifid to > pinnate, broadly triangular; stipe 5–8 cm, 1–3 cm in diam., base much > expanded; fertile fronds not taller than sterile ones, lamina broadly > triangular 2. *C. pteridoides* > 1. Ceratopteris thalictroides (Linnaeus) Brongniart, Bull. Sci. Soc. > Philom. Paris, sér. 3, 8: 186. 1821. > > 水蕨 shui jue > > *Acrostichum thalictroides* Linnaeus, Sp. Pl. 2: 1070. 1753; *A. > siliquosum* Linnaeus; *Ceratopteris siliquosa* (Linnaeus) Copeland; > *Ellobocarpus > oleraceus* Kaulfuss; *Furcaria thalictroides* (Linnaeus) Desvaux;*Pteris > siliquosa* (Linnaeus) P. Beauvois; *P. thalictroides* (Linnaeus) Swartz > (1800), not Muhlenberg (1793); *Teleozoma thalictroides* (Linnaeus) R. > Brown ex H. Richards. > > Plants green, 5–70 cm tall, juicy and soft. Rhizome erect, short. Fronds > clustered and dimorphic. Sterile fronds: stipe green, semicylindrical, 3–30 > cm, ca. 1 cm in diam. or less, fleshy, not expanded, sparsely scaly; lamina > erect or floating when young, ovate to lanceolate, 6–30 × 3–15 cm, base > rounded-cuneate, apex acuminate, 2–4-pinnate; pinnae 5–8 pairs, alternate; > lower 1 or 2 pairs larger, ovate to oblong, up to 10(–35) × 7 cm, base > subrounded to subtruncate, apex acute to acuminate, 1–3-pinnate; pinnules > 2–5 pairs, alternate, stalk short and with narrow wings on both sides, > blade broadly ovate or ovate-triangular, up to 4 × 3 cm, deeply divided, > base rounded-truncate, apex obtuse to acuminate; ultimate lobe > linear-oblong or linear-lanceolate, up to 2 × 0.5 cm, entire, base > decurrent along rachis forming broad wing, apex obtuse to acute; upper pair > of pinnae similar in shape to basal pair of pinnae but gradually smaller. > Fertile fronds: stipe same as in sterile fronds; lamina oblong or > ovate-triangular, 15–40 × 10–22 cm, base rounded-cuneate or > rounded-truncate, 2- or 3-pinnate, apex acuminate; pinna 3–8 pairs, > alternate, lower 1 or 2 pairs of pinnae larger, ovate or narrowly > triangular, up to 14 × 6 cm, stalked; ultimate lobe linear to siliquiform, > 1–4 × ca. 0.2 cm, margin thin, strongly reflexed toward costa, like false > indusium, apex acuminate. Veins anastomosing. Lamina softly herbaceous, > green when young and brownish when old, glabrous; rachis and costa same > color as stipe, smooth. Sporangia attached to veinlets on both sides of > main vein, covered with reflexed margin of lobe, brown, with 30–70 annulus > cells, with 32 spores inside. Spores tetrahedral, more than 100 μm in > diam., with granulate perine and thick exine forming rich parallel ridges > on surface. 2*n* = 154, 156 (tetraploid). > > Ponds, ditches, rice fields, taro patches, usually rooting. Anhui, Fujian, > Guangdong, Guangxi, Hainan, Hubei, Jiangsu, Jiangxi, Shandong, Sichuan, > Taiwan, Yunnan, Zhejiang [India, Indonesia, Japan, Malaysia, Myanmar, > Nepal, New Guinea, Philippines, Sri Lanka, Thailand, Vietnam; Africa, > Australia, Central, North, and South America, Madagascar, Pacific islands, > West Indies]. > 2. Ceratopteris pteridoides (Hooker) Hieronymus, Bot. Jahrb. Syst. 34: > 561. 1905 [*“pteroides”*]. > > 粗梗水蕨 cu geng shui jue > > *Parkeria pteridoides* Hooker, Exot. Fl. 2: t. 147. 1825; *Ceratopteris > parkeria* J. Smith. > > Plants usually floating, 20–30 cm tall. Stipe, rachis, and costa of lower > pinnae all obviously expanded toward base, base of stipe narrowly cuneate, > covered with roots. Fronds dimorphic. Sterile fronds green, smooth; stipe > semicylindrical, 5–8 cm, ca. 1.5 cm in diam.; lamina ovate-triangular, > simple and deeply divided, sometimes opposite-pinnate; lobes triangular to > broadly loriform. Fertile fronds green when young and brownish when old, > smooth; stipe 5–8 cm, 1–3 cm in diam.; lamina broadly triangular, 15–25 cm, > 2–4-pinnate; ultimate lobe linear or siliquiform, 2–6 × ca. 0.2 cm, margin > thin, strongly reflexed toward main vein to cover sori, apex acuminate. > Sporangia attached to veinlets on both sides of main vein, covered with > reflexed margin of lobe, brown, with 0–40 annulus cells, with 32 spores > inside. Spore tetrahedral, below 100 μm in diam., with few parallel ridges. > 2*n* = 78 (diploid). > > Marshes, ponds, ditches, usually floating on water. Anhui, Hubei, Jiangsu, > Jiangxi, Shandong [Bangladesh, India, Vietnam; Central, North, and South > America] > > > Regards > > Mrinal Kanti Bhattacharya, > *Associate Professor,* > *Department of Botany and Biotechnology, * > *Karimganj College, Karimganj, Assam* " > > On 30 October 2012 18:08, jmgarg1 <[email protected]> wrote: > >> A reply: >> "Actually it isn't really thalictroides - only in a very broad sense if >> one recognises only one species. But a check of Lloyd's monograph and the >> fine new work by Masuyama in Japan reveals more to it than that. This >> particular photo is very characteristic of pteridioides. >> Cheers, >> Chris. " >> >> On 29 October 2012 19:42, jmgarg1 <[email protected]> wrote: >> >>> A reply: >>> "Ceratopteris thallictroides >>> >>> ** Mrinal Kanti Bhattacharya, >>> *Associate Professor,* >>> *Department of Botany and Biotechnology, * >>> *Karimganj College, Karimganj, Assam"* >>> >>> On 29 October 2012 17:43, jmgarg1 <[email protected]> wrote: >>> >>>> Forwarding again for Id confirmation or otherwise please. >>>> >>>> >>>> ---------- Forwarded message ---------- >>>> From: N Arun <[email protected]> >>>> Date: 22 October 2012 17:29 >>>> Subject: [efloraofindia:135893] Ceratopteris sp. >>>> To: [email protected] >>>> >>>> >>>> An exclusively aquatic fern. >>>> >>>> taken at Lalbagh,Oct 22 [image: >>>> https://lh3.googleusercontent.com/-jScAh1bnh0c/UIUzzMLpAQI/AAAAAAAAARU/Ucr6AmUm5d4/s1600/IMG_3663.JPG] >>>> >>>> >>>> <https://lh3.googleusercontent.com/-jScAh1bnh0c/UIUzzMLpAQI/AAAAAAAAARU/Ucr6AmUm5d4/s1600/IMG_3663.JPG> >>>> >>>> -- >>>> >>>> >>>> >>>> >>>> >>>> >>>> -- >>>> With regards, >>>> J.M.Garg >>>> http://en.wikipedia.org/wiki/User:Jmgarg1 >>>> 'Creating awareness of Indian Flora & Fauna' >>>> The whole world uses my Image Resource of more than a *thousand species >>>> * & eight thousand images of Birds, Butterflies, Plants etc. (arranged >>>> alphabetically & place-wise): >>>> http://commons.wikimedia.org/wiki/Category:J.M.Garg. You can also use >>>> them for free as per Creative Commons license attached with each image. >>>> For identification, learning, discussion & documentation of Indian >>>> Flora, please visit/ join our Efloraofindia Google e-group: >>>> http://groups.google.co.in/group/indiantreepix (more than 1980 members >>>> & 1,33,000 messages on 30/9/12) or Efloraofindia website: >>>> https://sites.google.com/site/efloraofindia/ (with a species database >>>> of more than 7500 species). >>>> Also author of 'A Photoguide to the Birds of Kolkata & Common Birds of >>>> India'. >>>> >>>> >>> >> >> > -- > > > > -- Usha di =========== Usha di ............... ------------------------------- --
