Viscum monoicum

Viscum monoicum Roxb. ex DC., Prodr. 4: 278 278 1830. ;
 
FI informs, "Monoicous, ..... leaves opposite, lanceolar, (acute to acuminate : Bengal Plants), 3-5 nerved, subsessile, often a little falcate, ......flowers axillary, three fold, ...... in fascicles of generally three, the centre one is generally male, and the lateral two female....."
 
In Viscum album the leaf is strap-shaped where as in this species (V.monoicum) of Viscum the leaf is some what falcate, coriaceous, attenuated at the base to a short petiole (these characters are found in V.monoicum).  According to this two flora only two species of Viscum are found in Assam i.e V. articulatum and V. monoicum. The first (V. articulatum) is leafless. 
 
 
 

 https://groups.google.com/group/indiantreepix/attach/7cee2af20b46124c/Stem_parasite_DSC01704.JPG?part=0.1&authuser=0&view=1


Stem parasite: Photographs exhibit a stem parasite growing Vitex negundo L. (Verbenaceae). Please help in identifying the stem parasite.
Location/Date : Mirza, Kamrup District (Assam); 07/06/2012.
Looks like Viscum to me.
I agree with ..., This could be Viscum album. Need to see the flower pictures.
Sir, I have collected this species (Viscum ) from Kamrup district (Assam) which you have identified it as Viscum album. But I donot think it is Viscum album (Photo attached here with). In Viscum album the leaf is strap-shaped where as in this species of Viscum the leaf is some what falcate, coriaceous, attenuated at the base to a short petiole (these characters are found in V.monoicum). Of course I have not examined the flower whether it is monoecious or dioecious. From leaf morphology and data studied from the "Flora of Assam" (Vol.I-V by U.N.Kanjilal) and "Assam's Flora (Present Status of Vascular Plants)" [By S.Chowdhury] where in two flora there is no mention of Viscum album. According to this two flora only two species of Viscum are found in Assam i.e V. articulatum and V. monoicum. The first is leafless. Hence my collected species may be V. monoicum (flower monoecious). So please verify it.
 
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/5._Viscum_sp._Branches__IMG_2139.jpg?part=0.5&view=1&vt=ANaJVrEK9gQwxX-gEeCq6LZNZ3t1yJmPL6AMNlwNfvUeBjuGp6fGeoSsxKmuQ3cfPGXP5M0YXfyQpcZQzVgEoxNcghSa6fk11aqXaoTYfiMLjTLyDev0Z7M
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/7._Viscum_sp._single_branche__IMG_2135.jpg?part=0.7&view=1&vt=ANaJVrG8y4VkOgDTt7hUaTJsGuE-RXBkeYUtSb7vIm1armPQT8pfuRtBYkuO5WprnSe71IbOUQ5wWYNNiP20xY7IDsPhE2rqvROpEYnyei0SDpcwIhqgUCA
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/8._Viscum_sp._Opposite_leaf_IMG_2158.jpg?part=0.8&view=1&vt=ANaJVrHD8QMrUt78JarOisOu84OuwvsWcppW3rdzwM7n8C4i9RnsaxIrROwyGtGlkDgLecTm_JujfMX0YoMgYKymAUr6F8lY6GH0w4YWhEeYA-U-Ro6LhK0
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/9._Viscum_sp._Single_leaf_IMG_2119.jpg?part=0.9&view=1&vt=ANaJVrHcSfVpSmC2ADWTzUGmgdrrZLqO4dfnRYqn1RrU6-VeFsWaK74OU0tIw9l1x3J8sxko4wCntO7Z7_QmemFdaElth8zYjVauFPHtG7MzBsFcJO_LxQM
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/10._Viscum_sp._leaf_IMG_2149.jpg?part=0.10&view=1&vt=ANaJVrEeU2jvH0Il_P8PJbL3z6orVX93IMF96UOOc7FRt6igeDj9EqnyM33DG2El7wt5DznRsINJcvvSyEZke-lxs7c4eT-KkHLef-05WASzj48lKOfCMOI
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/11._Viscum_sp._leaf_ventral_surface_IMG_2159.jpg?part=0.11&view=1&vt=ANaJVrFW2dxk12dwkc7xjdQ4tJQGk2_CfaNCxwuP6dgtT9AzHRdJa5D73GP-6HPoM_hq_rwL3DNxnq5FivnPNsPe9zgQTDp__ZyIu3xAYk4ZEpxg_oqf-u4
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/12._Viscum_sp._leaf_ventral_surface__IMG_2160.jpg?part=0.12&view=1&vt=ANaJVrF7BWuaf3Meg4g4kG87XKoLSY3WSxRYkwMwsYtEf9G62jddW13SWt1Y3EL0lW-l2g9JzervRMjXxf3m1axUNIXWeKGbCN9KJm6ZZs60ZAppojHaJvE
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/13._Viscum_sp._Inflorescence_IMG_2132.jpg?part=0.13&view=1&vt=ANaJVrFby25-k4IVEVf1YtL96cKC2iw52Yu4ANWGQnVFYP_FG1d79H0AvPSLN6yV7EbwTiSh8NRQbh_hqDkwp-tdGMQznkYcGiKRplKRmtlkaW3dF7Nv7gk
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/14._Viscum_sp._Inflorescence_IMG_2118.jpg?part=0.14&view=1&vt=ANaJVrHUPQo1soXRzNAYIjR6Bm4xvGgSBMyax_2Ejn7-Xd1qcO-gKKdVv8CWqzya6wZo_4BeVArvu8Qpwlyyb7FWx_CtX1U2yX8NbJ0tt1vzTGJINYdBvwo
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/15._Viscum_sp._Inflorescence__IMG_2130.jpg?part=0.15&view=1&vt=ANaJVrEuzPXZig3ldSES4rOruN3mX7nMUNRttaC1PoiPbiPK2vjsKx7Dt_uKIUjI7yiVbGMUEr5GxfiNf0-EHco_hbelZE-TP9VeTB2MgUdUopO1ofzmySs
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/16._Viscum_sp._Inflorescence__IMG_2140.jpg?part=0.16&view=1&vt=ANaJVrFn18xGCr9pvV0lGUwdcyEFOkmK6rKfBT7PDgnXi__m7--Eg0HeuzqtGChg0V8jb9apEzLRM4TUR2tLszkXO3yZAyPFZJFPxx26bz4FisRGuI2yUMY
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/17._Viscum_sp._Inflorescence__IMG_2142.jpg?part=0.17&view=1&vt=ANaJVrHpgzgomxTdgrsoK2uARTttGWPlcNH2frpRSYX85AYjuQLHjdAdWzSDWDiqkhTKaxz0pDghqL__tco_oiDfDgIFAXjXnh52AhIy4QIC7dQK8AQu9_4
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/19._Viscum_sp._Inflorescence__IMG_2156.jpg?part=0.19&view=1&vt=ANaJVrEXGRV2hDXeYGt1zFUkX-fWZNVi3NQz7xwfP4KDjrKCiy0mV5EawIIvyvvSpqp3crBB7ig9_-SQ_5ROmgC19iRRyRo2oj2M-t1wBPa-yFAvhffbTbI
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/3._Viscum_sp.IMG_2265.jpg?part=0.3&view=1&vt=ANaJVrHGC9V0Ky_5Lbrdl7LaIg3jYP5tJOqRukkNj-SATAqODFHIgK47OxisLCOnKiGmCzXflokjE-E1jJDvzb3LEqwax0KlsvbcEqz38FvD5IVI-W8MrPY
 
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/4._Viscum_sp._on_Vitex_negundo__IMG_2116.jpg?part=0.4&view=1&vt=ANaJVrF1g7u1tj2th8pCECUZ9hMzEjp2Kmo5Wwl8VZkV5xdJaHSCQk9dNiKoVNiYuO_dyJ8ewOBBt_lLjHEACPDEzaCx0JXN1qWpNhbxsmy2LC6IPYMfhrY
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/3._Viscum_sp.IMG_2265.jpg?part=0.3&view=1&vt=ANaJVrHym3NcBh4qm35LYVKukRPnoevdBAFaW5fLN2zjEMpODJe3XMHT6hwlEqeDWNVMHs52RlbraoBqAskBpajAHbvTwHtb8a7rbfC7IBjUmBQjYro_aC8
https://08511630493324166816.googlegroups.com/attach/2259e7808264b498/1._Viscum_sp._on_Vitex_negundo_IMG_2263.jpg?part=0.1&view=1&vt=ANaJVrEodpYTAClJrrKjQCmvrTWj_Wq3bHusYcx4z-40e5oamDPXL8k64Xpm4SPfFKEKI5TBuqcwLeLu6yooo_ptahuua92iG4SPmOOCCyMQpx24JUTBJRA
Viscum sp. from Kamrup district, Assam Attachments (19).  2 posts by 2 authors.

Attached images may be Viscum sp. I had sent this species earlier (https://sites.google.com/site/efloraofindia/species/m---z/s/santalaceae/viscum/viscum-monoicum ) without flower on 27.08.12. I have been waiting for flowering of this plant almost one year and now collected the specimen from same place and same plants with flowers. The plant attacks Vitex negundo. On observation of flowers I have found only female flower (Dioecious). No male flower is observed on this plant. So whether it is V. monoicum or other spp. of Viscum ? Please ID the plant.

Date :10.05.2013 & 31.05.2013

Location: Kamrup district

Family : Viscaceae

Genus & species:Viscum sp.

Habitat: Grows on Vitex negundo.

Habit : Herbs

Flower : Only Female flower


As per key in Bengal Plants and descriptions in FBI & FI it is Viscum monoicum Roxb.
FI informs, "Monoicous, ..... leaves opposite, lanceolar, (acute to acuminate : Bengal Plants), 3-5 nerved, subsessile, often a little falcate, ......flowers axillary, three fold, ...... in fascicles of generally three, the centre one is generally male, and the lateral two female....."
 
 
 
 
 
 
 
References:
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