Results 61 to 70 of about 287 (132)

Pollination ecology of Rhynchosia cana (Willd.) DC. (Fabaceae), an erect sub-shrub, in peninsular India

Journal of Threatened Taxa, 2017
Rhynchosia cana is a perennial erect sub-shrub.  It flowers during November-January with peak flowering in December.  The flowers are hermaphroditic, nectariferous, self-compatible and display explosive pollination mechanism adapted for pollination by ...
A.J. Solomon Raju, K. Venkata Ramana
doaj   +1 more source

Pump mechanism, secondary pollen presentation, psychophily and anemochory in Emilia sonchifolia (L.) DC. (Asteraceae)

Journal of BioScience and Biotechnology, 2017
Emilia sonchifolia flowers profusely during August-November. The plant produces capitulum inflorescence with only disc florets presenting nectar and pollen as rewards.
Mallikarjuna Rao Medabalimi, Jacob Solomon Raju Aluri, Venkata Ramana Kunuku   +2 more
doaj  

Floral biology of medicinal plants I. Apiaceae species

International Journal of Horticultural Science, 2000
The Apiaceae family consists of several species which are well known for their therapeutical use and also as spice plants. Although fennel (Foeniculum vulgare Mill.), caraway (Carton carvi L.), anise (Pimpinella anisum L.), coriander (Coriandrum sativum ...
É. Németh, G. Székely
doaj   +1 more source

A contribution to the pollination ecology of Tabebuia pulcherrima (Bignoniaceae) in a sandbank area of the south of Santa Catarina State, Brazil [PDF]

Biotemas, 2004
Studies on pollination mechanisms in Bignoniaceae have show some evidence of co-evolution with its pollen vectors. Floral biology and flower visitors of Tabebuia pulcherrima were investigated in a sandbank area.
Afonso Inácio Orth, Maurício Lenzi, Dalzemira Anselmo da Silva Souza   +2 more
doaj  

Floral biology of Sesbania virgata: an invasive species in the Agreste of Paraíba, northeastern Brazil

Rodriguésia
Although reproduction seems to play an important role in the successful invasive strategy of Sesbania virgata, its floral biology is poorly known. We aimed at filling this gap by studying the floral biology of a population of S. virgata in the Agreste of
Vênia Camelo de Souza, Leonaldo Alves de Andrade, Zelma Glebya Maciel Quirino   +2 more
doaj   +1 more source

Pollination biology of Impatiens cuspidate Wight and Arn. (Balsaminaceae), a rare and endemic balsam of the Western Ghats, India

Journal of Threatened Taxa, 2011
The pollination biology of Impatiens cuspidata, a rare and endemic balsam from the Western Ghats, has been studied with special reference to phenology, pollination, pollen-pistil interactions, breeding experiments and stigma receptivity.
A.K. Sreekala, A.G. Pandurangan, R. Ramasubbu, S.K. Kulloli   +3 more
doaj   +1 more source

Pollination ecology of Synedrella nodiflora (l.) Gaertn. (Asteraceae)

Journal of Threatened Taxa, 2018
Synedrella nodiflora (L.) Gaertn grows almost throughout the year if the soil is damp. It produces heterogamous capitula with female ray florets anthesing first day and bisexual disc florets anthesing on the next three consecutive days.
B. Usharani, A.J. Solomon Raju
doaj   +1 more source

Studies on floral display and mode of reproduction in jatropha (Jatropha curcas L.) [PDF]

Electronic Journal of Plant Breeding, 2010
Plant flowering and breeding characteristics are important for us to understand the reproduction of plant populations. In thispaper, we studied the mode of reproduction of Jatropha curcas. in GKVK, UAS, Bengaluru.
K.J.Pranesh, M.R.Gururaja Rao,H.C.Sowmya, Balakrishna Gowda, D.L.Savithramma, and N.L.Naveen,
doaj  

Limitations to the use of Apis mellifera (Hymenoptera: Apidae) for driven pollination of cultivars: a case study with European pear (Pyrus communis L. cv. Rocha)

Biotemas, 2015
The existence of pollinators able to promote xenogamy is a decisive factor in the yield of orchards. As it is allogamous, due to gametophytic self-incompatibility, most European pear cultivars do not produce fruits with seeds in the absence of ...
André Amarildo Sezerino, Afonso Inácio Orth   +1 more
doaj  

Records on floral biology and visitors of Jacquemontia montana (Moric.) Meisn. (Convolvulaceae) in Mucugê, Bahia

Brazilian Journal of Biology
We present the first records on pollination biology of Jacquemontia montana (Moric.) Meisn. (Convolvulaceae), a widespread climber in the Chapada Diamantina. Our objectives were to (1) characterise flower morphology and biology of J.
FO. Silva, SD. Kevan, N. Roque, BF. Viana, PG. Kevan   +4 more
doaj   +1 more source