*Very nice introduction Gurcharan ji.*
*Adding some data from BSI Flora Mah. in the same thread.*
*The Key for Ceasalpiniaceae (S. Moorthy)*
1. Leaves bi-foliolate; leaflets not distinct, usually united into one.
......................BAUHINIA
1. Leaves 1-2 pinnate; leaflets distinct:
2. Leaves bipinnate:
3. Flowers in elongate spikes
............................................................MOULLAVA
3. Flowers in racemes or panicles
................................................... CAESALPINIA
2. Leaves unipinnate :
4. Calyx tube elongate, more than 1 cm long
.....................................TAMARINDUS
4. Calyx tube short, less than 0.5 cm long : ......
5.Petals 5 :
6. Pods many seeded, seeds albuminous
......................................CASSIA
6. Pods 1 seeded; seeds exalbuminous
.................................CYNOMETRA
5. Petals absent :
7. Calyx tube short; ovary sessile ovules
2..............................HARDWICKIA
7. Calyx tube elongate; ovary stalked, ovules
many.........................SARACA
On Sun, Dec 4, 2011 at 5:05 PM, Gurcharan Singh <[email protected]> wrote:
> Since The coming week will have maximum upload of species from Cassia
> complex now divided into three genera, here is simple key to separate them
>
> 1a. The longest filament (or filaments of three anterior stamens)
> sigmoidally
> curved, longest more than 2.5 cm long
> ................................................ 1. Cassia
> 1b. The longest filament straight, less than1 cm
> long.................................... 2
>
> 2a. Ovary stalk more than 0.9 mm long, fruit more than 9 cm long;
> bracteoles absent; legume not elastically coiling
> .....................................2. Senna
> 2b. Ovary stalk less than 0.9 mm long, fruitless than 9 cm long; braceoles
> present; legume elastically
> coiling......................................................... 3.
> Chamaecrista
>
>
> Species expected (I would be happy if more get added)
>
> *Cassia*
> 1. Cassia fistula L.
> 2. Cassia grandis L.f.
> 3. Cassia javanica var. javanica
> 4. Cassia javanica var. nodosa (Cassia nodosa Buch.-Ham.;
> C. javanica var. indochinensis Gagnep.)
> 5. Cassia moschata Kunth
> 6. Cassia renigera
> 7. Cassia roxburghii DC. (Cassia marginata Roxb.)
>
> *Chamaecrista*
> 1. *Chamaecrista* *absus* (L.) H.S.Irwin & Barneby (Cassia absus L.)
> 2. *Chamaecrista* *kleinii* (Wight & Arn.) V.Singh (Cassia kleinii Wight.
> & Arn.)
> 3. Chamaecrista leschenaultiana (DC.) Degener (syn: *Cassia wallichiana *
> DC.)
> 4. Chamaecrista mimosoides L. (Cassia mimosoides L.)
> 5. *Chamaecrista* *nomame* (Sieber) H.Ohashi ( *Cassia hochstetteri*
> Ghesq.)
> 6. *Chamaecrista* *pumila* (Lam.) K.Larsen (Cassia pumila Lam.)
>
>
> *Senna*
> 1. Senna alata (L.) Roxb. (*Cassia alata* L.)
> 2. Senna alexandrina Mill. (*Cassia senna* L.)
> 3. *Senna* *auriculata* (L.) Roxb. (Cassia auriculata L.)
> 4. Senna bacillaris (L.f.) IRWIN & Barneby (Cassia bacillaris L.f.)
> 5. Senna bicapsularis (L.) Roxb. (Cassia bicapsularis L.)
> 6. *Senna* *corymbosa* (Lam.) H.S.Irwin & Barneby (Cassia corymbosa Lam.)
> 7. Senna didymobotrya (Fresen.) H.S.Irwin & Barneby (*Cassia didymobotrya*
> Fresen.)
> 8. *Senna* *floribunda* (Cav.) H.S.Irwin & Barneby (Cassia floribunda
> Cav.)
> 9. Senna hirsuta (L.) Irwin & Barneby (Cassia hirsuta L.)
> 1o. Senna italica Mill. subsp. italica
> 11. *Senna* *italica* subsp. *micrantha* (Brenan) Lock (Cassia italica
> subsp. micrantha Brenan; C. obovata Collad.; C. obtusa Roxb.)
> 12. Senna montana (Roth) V. Singh (Cassia montana Roth; Cassia setigera
> DC.)
> 13. Senna multiglandulosa (Jacq.) Irwin & Barneby (Cassia tomentosa L.f.)
> 14. Senna multijuga (Rich.) Irwin & Barneby (Cassia multijuga Rich.)
> 15. *Senna* *obtusifolia* (L.) H.S.Irwin & Barneby (Cassia obtusifolia L.)
> 16. *Senna* *occidentalis* (L.) Link (Cassia occidentalis (L.) Rose)
> 17. Senna septemtrionalis (Viviani) Irwin & Barneby
> 18. Senna siamea (Lam.) H.S.Irwin & Barneby (*Cassia siamea* Lam.)
> 19. *Senna* *sophera* (L.) Roxb. (Cassia sophera L.)
> 20. *Senna* *sophera* var. *purpurea* (Lindl.) V.Singh (Cassia purpurea
> Roxb. ex Lindl.)
> 21. *Senna* *spectabilis* (DC.) H.S.Irwin & Barneby (Cassia spectabilis
> DC.)
> 22. *Senna* *sulfurea* (Collad.) H.S.Irwin & Barneby (Cassia sulfurea
> Collad; C. glauca Lam.)
> 23.*Senna* *surattensis* (Burm.f.) H.S.Irwin & Barneby (Cassia
> surattensis Burm.f.)
> 24. *Senna* *timoriensis* (DC.) H.S.Irwin & Barneby (Cassia timoriensis
> DC.)
> 25. *Senna* *tora* (L.) Roxb. (Cassia tora L.)
> 26. Senna uniflora (Mill.) Irwin & Barneby (Cassia uniflora Mill.)
>
>
>
> --
> 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://people.du.ac.in/~singhg45/
>
>
> On Sat, Dec 3, 2011 at 6:34 PM, Dinesh Valke <[email protected]>wrote:
>
>> Many thanks Gurcharan ji for taking the lead.
>> Regards.
>> Dinesh
>>
>>
>>
>>
>>
>> On Sat, Dec 3, 2011 at 6:18 PM, Balkar Singh <[email protected]>wrote:
>>
>>> Nice Start Up Sir
>>>
>>> On Sat, Dec 3, 2011 at 6:15 PM, Gurcharan Singh <[email protected]>
>>> wrote:
>>> > Fabaceae Lindley Bean or Pea family
>>> > (=Leguminosae A. L. de Jussieu)
>>> >
>>> > Subfamily Caesalpinioideae DC.
>>> > B & H, Takhtajan, Thorne, APG III and APweb as Caesalpinioideae
>>> > Cronquist and Dahlgren as family Caesalpiniaceae.
>>> >
>>> > Approx.150 genera, 2,700 species
>>> > Distributed mainly in tropics and subtropics, a few species in the
>>> temperate
>>> > regions.
>>> >
>>> > Salient features: Trees, shrubs or herbs, leaves usually pinnate
>>> compound
>>> > with pulvinate base, flowers zygomorphic corolla not papilionaceous,
>>> > posterior petal innermost, sepals free, odd sepal anterior, stamens
>>> 10,
>>> > usually free, in two whorls , ovary superior, carpel 1, fruit a pod.
>>> >
>>> > Major genera: Chamaecrisia (260 species), Bauhinia (250), Senna (250),
>>> > Caesalpinia (120) and Cassia (30).
>>> >
>>> > Description: Trees (Delonix), shrubs or herbs, rarely woody climbers
>>> > (Pterolobium, Bauhinia). Leaves alternate, pinnately or palmately
>>> compound,
>>> > sometimes simple (Bauhinia), leaf base (sometimes also the base of
>>> leaflets)
>>> > pulvinate, stipules present. Inflorescence racemose, in racemes or
>>> spikes
>>> > (Dimorphandra). Flowers bracteate (bracts usually caducous) bisexual,
>>> > zygomorphic, perigynous. Calyx with 5 sepals, rarely 4 (Amherstia),
>>> free or
>>> > rarely connate (Bauhinia), odd sepal anterior. Corolla with 5 petals,
>>> rarely
>>> > 3 (Amherstia), 1 (Pahuda) or even absent (Tamarindus), free, not
>>> > papilionaceous, posterior petal innermost. Androecium with 10 stamens,
>>> > sometimes lesser (3 in Tamarindus), rarely more, free, sometimes
>>> unequal in
>>> > size (Cassia), anthers bithecous, dehiscence longitudinal or by apical
>>> > pores. Gynoecium with a single carpel, unilocular with many ovules,
>>> > placentation marginal, ovary superior, style single, curved. Fruit a
>>> legume
>>> > or pod, rarely a lomentum; seeds 1-many, seed coat hard, endosperm
>>> minute or
>>> > absent, food reserves in cotyledons.
>>> >
>>> > Economic importance: The Subfamily includes several ornamentals such as
>>> > pride of Barbados (Caesalpinia pulcherrima), paulo verde
>>> (Parkinsonia), red
>>> > bud (cercis canadensis), Gul-mohar (Delonix regia), and several
>>> species of
>>> > Cassia and Senna. Many species of Senna are cultivated for leaves that
>>> > yield drug senna. The heartwood of Haematoxylon campechianum (logwood)
>>> > yields the dye hematoxylin.
>>> >
>>> >
>>> > Please feel free to share photographs of your collection of this group
>>> > during the week. Also resurface any unidentified members and upload
>>> those
>>> > meant for fresh identification/confirmation.
>>> >
>>> > The mails should have subject line "Fabaceae-Caesalpinioidea
>>> > (Caesalpiniaceae) Week:.................."
>>> >
>>> >
>>> >
>>> > --
>>> > 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://people.du.ac.in/~singhg45/
>>> >
>>>
>>>
>>>
>>> --
>>> Regards
>>>
>>> Dr Balkar Singh
>>> Head, Deptt. of Botany and Biotechnology
>>> Arya P G College, Panipat
>>> Haryana-132103
>>> 09416262964
>>>
>>
>>
>
>
>
>
--
Dr Satish Phadke
