Yes Satish ji, that would have been more appropriate for both reasons: 1. Amaranthaceae is the accepted name when two are merged. 2. In alphabetic arrangement also it comes first. Any how let the title "Chenopodiaceae and Amaranthaceae Week:" continue
-- Dr. Gurcharan Singh Retired Associate Professor SGTB Khalsa College, University of Delhi, Delhi-110007 Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. Phone: 011-25518297 Mob: 9810359089 http://www.gurcharanfamily.com/ http://people.du.ac.in/~singhg45/ On Thu, Feb 7, 2013 at 8:25 PM, Satish Phadke <[email protected]> wrote: > Thanks Sing ji for a nice introduction. > After reading your information I would have loved the name of the week as > > Amaranthaceae and Chenopodiaceae Week rather than > > Chenopodiaceae and Amaranthaceae Week. > > Anyway Nice start of the week indeed. > > Dr Satish Phadke > > > On Sun, Feb 3, 2013 at 6:16 PM, Gurcharan Singh <[email protected]>wrote: > >> *Dear friends* >> >> *The families Chenopodiaceae and Amaranthaceae have traditionally been >> treated as distinct families, but have been merged under a single family >> Amaranthaceae in recent editions of APG classifiation, our reason for >> considering in single episode. I am providing information concerning both >> separately.* >> >> * >> * >> >> *Chenopodiaceae *Ventenat *Goosefoot family* >> >> 97 genera, 1,305 species >> >> Widely distributed in temperate and tropical climates but common in arid >> and semiarid saline habitats, with around 97 genera and 1300 speces >> >> >> >> *Major genera: **Atriplex *(300 species), *Salsola, *(120), *Chemnopodium >> *(105), *Suaeda *(100) and *Salicornia *(35). >> >> >> >> *Descriptiomn*: Herbs or small shrubs, rarely small trees (*Haloxylon*), >> usually in saline habitats, sometimes succulent (*Salicornia*), often >> covered with whitish bloom, nodes unilacunar, vascular bundles in >> concentric rings, included phloem usually present, sieve-tube plastids >> PIII-C type, containing betalains instead of anthocyanins, cuticle waxes >> with platelets. Leaves minute to large, alternate, rarely opposite (* >> Salicornia*, *Nitrophila*), petiolate to sessile, simple, entire or >> variously lobed, sometimes fleshy or reduced to scales, stipules absent. >> *Inflorescence *cymose, spikes or panicles, sometimes catkins. *Flowers >> *small, >> greenish, bisexual, rarely unisexual and plants dioecious (*Grayia*) or >> monoecious, actinomorphic, hypogynous. *Perianth *(represented by sepals >> petals absent) with 2-5 united tepals, rarely free (*Salsola*), >> herbaceous, usually persistent and accrescent in fruit, and appendaged with >> tubercles, spines or wings, sometimes absent. *Androecium *with 5 >> stamens, rarely 3, opposite the perianth lobes, filaments free, anthers >> inflexed in bud, bithecous, dehiscence longitudinal, pollen grains >> multiporate, spinulose. *Gynoecium *with 2 carpels, united, rarely >> carpels upto 5, ovary superior, unilocular, ovule 1, placentation basal, >> styles 2 >> >> (rarely upto 5). *Fruit *a nut or utricle (when enclosed in membranous >> perianth); seed lens shaped with curved or spiral embryo, >> >> endosperm absent, perisperm present. >> >> >> >> *Economic importance: *The family includes a few food plants such as >> beet (*Beta vulgaris*: used as leafy vegetable {often confused with >> spinach}; root vegetable mainly for salad and a source of sugar), spinach ( >> *Spinacea oleracea*) and lambs quarters (*Chenopodium album; *bathoo in >> Hindi). *Chenopodium ambrosioides *is source of wormseed used as a >> vermifuge. Seeds and leaves of *C. quinoa *are eaten by Peruvians and >> Andes >> >> >> >> >> >> >> >> >> >> *Amaranthaceae *M. Adanson *Amaranth family* >> >> 72 genera, 1,020 species >> >> Cosmopolitan, mainly tropical, centred in Africa and America with about >> 72 genera and 1020 species >> >> >> >> *Salient features: *Herbs or small shrubs, stipules absent, flowers >> small often greenish, subtended by scarious or papery bracts, >> >> perianth papery, stamens opposite perianth lobes, slightly connate at >> base, staminodes present, carpels 2-3, ovary superior, fruit a >> >> capsule or utricle or nutlet, enclosed in persistent perianth, embryo >> curved. >> >> >> >> *Major genera: **Gomphrena *(120 species), *Alternanthera *(100), *Iresine >> *(80), *Amaranthus *(60) and *Celosia *(55). >> >> >> >> *Description*: Herbs or small shrubs, very rarely climbing, often with >> swollen nodes, nodes unilacunar, vascular bundles in concentric rings, >> included phloem usually present, sieve-tube plastids PIII-A type, >> containing betalains instead of anthocyanins. >> >> *Leaves *alternate or opposite, herbaceous, sometimes aggregated at base >> (*Ptilotus*), petiolate to sessile, simple, entire, stipules absent. >> *Inflorescence >> *cymose, spikes or panicles, with conspicuous persistent bracts and >> bracteoles. *Flowers *small, greenish, bisexual (rarely unisexual), >> actinomorphic, hypogynous, cyclic. *Perianth *(represented by sepals >> petals absent) with 3-5 free or united tepals, usually persistent, >> sometimes accrescent (*Ptilotus*) in fruit, usually dry and scarious. >> *Androecium >> *with 5 stamens, >> >> rarely 3 or even 6-10, opposite the tepals, filaments slightly connate at >> base, often adnate to tepals, anthers inflexed in bud, >> >> bithecous (*Amaranthus*) or monothecous (*Gomphrena*), dehiscence >> longitudinal, pollen grains multiporate, spinulose, staminodes >> >> often present, usually 1-3. *Gynoecium *with 2-3 united carpels, ovary >> superior, unilocular, ovule usually 1, placentation basal, >> >> rarely many (*Celosia*), styles 1-3. *Fruit *a circumscissile capsule, >> or nut or utricle (when enclosed in membranous perianth); >> >> seed lens shaped with curved or spiral embryo, endosperm absent, >> perisperm present. >> >> >> >> *Economic importance: *The family includes several ornamentals such as >> *Celosia >> *(Cockscomb), *Amaranthus *(amaranth), >> >> *Gomphrena *(globe amaranth) and *Iresine *(bloodleaf). Species of >> *Alternanthera >> *and *Tilanthera *are grown as edge plants and have >> >> ornamental leaves. Seeds and leaves of several species of *Amaranthus *are >> edible, as are also the leaves of *Alternanthera sessilis*. >> >> >> >> 163 genera are recognized by The Plant List which treats them together >> under one family: >> >> >> http://www.theplantlist.org/browse/A/Amaranthaceae/ >> >> -- >> Dr. Gurcharan Singh >> Retired Associate Professor >> SGTB Khalsa College, University of Delhi, Delhi-110007 >> Res: 932 Anand Kunj, Vikas Puri, New Delhi-110018. >> Phone: 011-25518297 Mob: 9810359089 >> http://www.gurcharanfamily.com/ >> http://people.du.ac.in/~singhg45/ >> >> -- >> >> --- >> You received this message because you are subscribed to the Google Groups >> "efloraofindia" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- --- You received this message because you are subscribed to the Google Groups "efloraofindia" group. 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