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1. Female-biased nectar production in the protandrous, hermaphroditic shrub Salvia hierosolymitana (Lamiaceae)

Author:
Leshem, Yehoram; Keasar, Tamar; Shmida, Avi
Source:
Australian journal of botany 2011 v.59 no.1 pp. 18-25
ISSN:
0067-1924
Subject:
stigma,   etc   ; nectar secretion; male flowers; pollination; flowering; nectar; outcrossing; risk; shrubs; Salvia; gender; female flowers; pollinators; pollen; pollen tubes; protandry; foraging; insects; Israel;     Show all 19 Subjects
Abstract:
... Flowering progresses upward along vertical inflorescences in the protandrous dichogamous shrub Salvia hierosolymitana (Boiss.). Flowers' gender nectar production rates and their vertical distribution were recorded in two populations (northern and central Israel) over 3 years. Female-phase flowers produced significantly more nectar than male-phase flowers and were more abundant at the inflorescence ...
DOI:
10.1071/BT10176

2. Floral phenology and morphology of colchicine-induced tetraploid Acacia mangium compared with diploid A. mangium and A. auriculiformis: implications for interploidy pollination

Author:
Nghiem, C. Q.; Harwood, C. E.; Harbard, J. L.; Griffin, A. R.; Ha, T. H.; Koutoulis, A.
Source:
Australian journal of botany 2011 v.59 no.6 pp. 582-592
ISSN:
0067-1924
Subject:
stigma,   etc   ; ovules; male flowers; insect behavior; flowering; Acacia mangium; diploidy; pollination; phenology; honey bees; tetraploidy; trees; foraging; pollinating insects; pods; Vietnam;     Show all 16 Subjects
Abstract:
... Floral phenology and morphology of colchicine-induced auto-tetraploid trees of Acacia mangium Willd. (AM-4x) growing in Vietnam were compared with adjacent diploid A. mangium (AM-2x) and A. auriculiformis A.Cunn. ex Benth (AA-2x). Flowering lasted for several months with a slightly later peak flowering period for A. auriculiformis (December–January), than for A. mangium (November–December). Flower ...
DOI:
10.1071/BT11130