Vitex negundo (Lamiaceae), a highly important medicinal plant is widely distributed across
tropical and sub-tropical regions of, Asia Africa and Australia. In the present investigation …

Vitex negundo is a small aromatic semi-evergreen tree often cultivated as an ornamental
plant. It sheds foliage and produces new foliage almost simultaneously in December-April …

Natural populations of V. negundo were observed at 4 sites, Chinawaltair, Harbour Park,
Siripuram and the Research Scholars Hostel, all at Visakhapatnam, India. V. negundo was …

Vitex negundo L. var. heterophylla (Franch.) Rehder (Lamiaceae) is an important tree
species for soil and water conservation, yet the reproductive ecology of this species remains …

Studies on phenology and reproductive biology were carried out in 15 populations of
Rauvolfia serpentina (L.) Benth. ex Kurz (2n= 22). Two different sizes of pollen grains …

Natural populations of Valeriana wallichii, a threatened medicinal plant of Himalayan region,
comprise individuals showing three types of sex expression: female, hermaphrodite and …

ABSTRACT A study on floral phenology, foraging behaviour of pollinators, breeding system
and post pollination events of Impatiens campanulata Wight, of the family Balsaminaceae …

Grewia occidentalis flowers are monomorphic, protandrous and dichogamous, the latter
being complete. The flowers are self-incompatible and the pollen–ovule ratio of 8664: 1 is …

Orange yellow coloured flowers of Tribulus terrestris L. have been studied for its pollination
biology at Agra region. Mode of pollination indicated that T. terrestris was both self and cross …

The present paper gives flower morphology, anthesis, pollen production, foraging nature of
flower visitors, pollination mechanisms, in vitro and in vivo pollen germination and stigma …