Found inside – Page 88Marchantia polymorpha. A, male gametophyte, seen from above, bearing two gemma cups on the left and two antheridiophores on the right, actual size. Found inside – Page 63Liverworts, mosses, and hornworts differ from the vascular plants in lacking true ... such as Marchantia, are specialized structures called gemma cups, ... Found inside – Page 312The leafy liverworts are more commonly found living on the bark of trees in ... Asexually, small cup-shaped structures called gemma cups (or splash cups) ... Found inside – Page 319Cupshaped gemma - cups with fringed margins , containing lenticular gemmae present . Receptacle stalks with 2 rhizoid furrows , male lobed or rayed ; female ... Found inside – Page 122Liverworts and Mosses Division Hepatophyta Class Hepatopsida-Order ... It produces small cups, known as gemmae cups (GC) on the upper surface of thallus ... Found inside – Page 145Air pore of Marchantia , A. Outer view , B. Inner view . present cup - shaped structures called gemma cups containing vegetative propagules , the gemmae . Found inside – Page 311The basal electrophore are present in: (a) Anthoceros (b) Pellia (c) ... In which of the following Bryophyta gemma cups are found: (a) Riccia (b) Marchantia ... Found inside – Page 17Gemma cups are small receptacles that give rise to gemmae (asexual buds). These gemma cups are found in: (a) Sphagnum and Marchantia (b) Marchantia (c) ... Found inside – Page iiThis book offers a valuable, practical guide for all those working in the fields of crop cultivation, plant protection and quarantine management. This book introduces readers to nearly 600 common weeds. Found inside – Page 118. marchantia (liverwort) Apical classification Kingdom – notch Plantae ... Cup shaped bodies called gemmae cups are present on the median groove on dorsal ... Found inside – Page 239Liverworts are simple green plants that do not flower. They also lack the conducting ... The best means of identification are the gemmae cups, if present. Found inside – Page 1078The plant body of Marchantia is a repeatedly forking, flat, ... (A) Thallus showing gemma cups, (B) Vertical section of a gemma cup showing gemmae. Found inside – Page 84Marchantia (Liver worts) Classification Kingdom — Plantae Sub-kingdom ... On the dorsal surface, on midrib cup-shaped out growth—gemma cups are present. 5. Found insideRiccia (page 197) Gemmae present in cups on surface of thallus .....Marchantia (page 193) Without gemmae cups............................................. 3 ... Found inside – Page 43Thallose liverworts such as Marchantia and Pellia are relatively common in ... The gemmae cups can be seen quite easily on liverworts growing as weeds in ... Found inside – Page 3-164We shall discuss here Marchantia , a representative of this family . ... rib are present characteristic cup shaped structures called gemma cups ( Fig . Found inside – Page 292The gemma cups have fringed margins. Each gemma cup contains a large number of gemmae in it. Structure of mature gemma. The mature gemma is found attached ... Found inside – Page 497Structures like rings or cups' are often found on the upper surface in which are little flat green bodies, called gemmae. They grow * Marchantia is readily ... Found inside – Page 410The scales are also present on the lower surface . O O 111 O 11 11 O do A B C IV IV olo 11 11 IV IV D E F Fig . 21.8 . Marchantia spp . Development of gemma ... Found inside – Page 2692.7 MARCHANTIA Classification Class Hepaticopsida Order Marchantiales Family Marchantiaceae Genus Marchantia : : : Gemma cups Midrib Rhizoids А. Found inside – Page 1434.5 MARCHANTIA Division : Class : Order Family : Genus : Bryophyta Hepaticae Marchantiales ... 4.3 Marchantia Gametophyte : A . Thallus with gemma cups and ... Found inside – Page 145In which of the following Bryophyta gemma cups are found: (a) Riccia (b) Marchantia (c) Anthoceros (d) Sphagnum Ans: (b) Q42. Ligulate leaf and versatile ... Found inside – Page 271Gemma cups of the Marchantia type are found only in Marchantia spp . and Lunularia spp . The latter genus does not occur in opical Africa . 18.9 Hepaticae , Marchantiales , Marchantia sp . , surface view of thalli with gemma cups ( arrowed ) . Found inside – Page 160Vegetative propagules (gemmae) in bryophytes: (a) at the apex of shoots in ... The thalloid liverworts Lunularia and Marchantia have gemma cups in which ... Found inside – Page 803Gemma cups present on the upper surface of the thallus contain gemmae. ... In most of the leafy liverworts the whole plant dries up. Found inside – Page 51In Marchantia, gemma cups are found on its dorsal surface. It contains gemmae, which help in vegetative propagation. Found inside – Page 32HUMIDITY AND OTHER PHYSICAL FACTORS Scott ( 1963 ) observed that high humidity suppressed gemma cup production in Marchantia berteroana . Found inside – Page 1088. marchantia (liverwort) Apical classification Kingdom – notch Plantae Division ... Cup shaped bodies called gemmae cups are present on the median groove ... Discussions focus on the special characteristics of sex chromosomes, abnormalities of cell division, and sexual differentiation. The manuscript reviews sex chromosomes in plants, Drosophila, and Lepidoptera. Found insideMarchantia. (A) gemma cup with a part of the thallus tissue; (B) single gemma showing structure; (C) transverse section of a gemma; (D) vertical transverse ... Found inside – Page 107Write short notes on : (i) Structure and function of scales of Marchantia. ... (viii) Gemma cups are present. Classify Marchantia according to a recognised ... Found inside – Page 17Gemma cups are small receptacles that give rise to gemmae (asexual buds). These gemma cups are found in: (a) Sphagnum and Marchantia (b) Marchantia (c) ... Found inside – Page 71... show (a) Xerochasy (c) Circumnutation Male sex organs in Marchantia are borne on (a) Elaterophore (c) Receptacle Characteristic gemma cups are found in ... Found inside – Page 79Antheridiophore Figure 6.9 Marchantia sp. gametophyte plants with Figure 6.10 Transverse section through a gemma cup prominent gemmae cupules. 1. Thus, miR160-regulation of class C ARFs existed in the common ancestor of all land plants and it is plausible that the ancestral role of class C ARFs was the promotion undifferentiated developmental stages, as this is a shared character ... Found inside – Page 55Marchantia chenopoda L. Marchantia columbica Bonner Marchantia ecuadorensis ... (3) gemma cups with longly ciliate margin (cilia 3–5 cells long); (4) male ... Found inside – Page 69Mnemonic - lina ki thali mai cup rakh ma. Lina -- Liverworts Thali -- Thaloid plant body Cup -- Gemmae Cup Rakh -- Riccia Ma -- Marchantia ➢ Asexual ... Found inside – Page 43Reproduction On the dorsal side, gemma cups are found. ... Asexual reproduction in liverworts takes place by fragmentation of thalli, or by the detachment ... Found inside – Page 90Vegetative thallus of Marchantia with gemma cup. Male receptacle Female receptacle Gemma cups Thallus ... Cup shaped bodies called gemma cups are present on. Found inside – Page 6impossible to say whether any internal cells were present in the middle of ... they might be compared with the gemma cups of Marchantia or with the round ... Found inside – Page 949Marchantia (of class = Hepaticopsida and order = Marchantiales) is most often ... (A) gemma cup with a part of the thallus tissue; (B) single gemma showing ... Found inside – Page 1-52Antheridial Capsule Branch A Branches Gemma cup B C Rhizoids D Marchantia ... (a) All pteridophytes are found in cool, damp, and shady places (b) Some ... Found inside – Page 30Gemmae are the means of asexual reproduction found in many bryophytes ... asexual buds which developinsmall receptacles called “gemma cups” located. This book is an user-friendly guide to identify British and Irish bryophytes in the field, with hundreds of colour photographs and black and white drawings showing what species look like, together with notes on how to identify and ... Found inside – Page 35In Marchantia the antheridia are borne upon these erect , stalked ... The thalli with gemma cups are found throughout the year whereas the plants with sex ... Found inside – Page 79(b) gemmae (a) spores cavity foot of the sporophyte branch stem stalk formed. Fig. 5.9 Transverse section through a gemma cup of Marchantia polymorpha (×10) ... Found inside – Page 136Most liverworts live in moist, shady locations; and a few are essentially ... 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