annals-of-botany
Night temperature and source/sink effects in pepper ovaries
Pepper flower buds exposed to low night temperatures or a high source:sink ratio for as little as one week exhibit ovary swelling and resultant fruit
annals-of-botany
Photosynthetic thermotolerance and leaf traits
Little is known about photosynthetic thermotolerance (PT) of tropical and sub-tropical wild plants and its association with leaf phenology and persistence. Zhang et al. use
annals-of-botany
Minority cytotypes in fragrant orchids
Patterns of ploidy variation can provide useful insights into the evolutionary mechanisms that shape the dynamics of plant systems showing ploidy diversity. Trávníček et al. examine
annals-of-botany
Novel self-pollination mechanism in Roscoea
Delayed selfing is the predominant mode of autonomous self-pollination in flowering plants. Fan and Li investigate the characteristics of reproductive ecology of Roscoea debilis (Zingiberaceae)
annals-of-botany
Cytogeography and allozyme variation of Lysimachia in Taiwan
Karyotypic and genetic variations can provide unique insights into how historical, ecological and cytogenetic factors influence microevolution. Kono et al. study a coastal herb, Lysimachia mauritiana,
annals-of-botany
Improved method for estimating pollen DNA content
Kron and Husband describe a simple method for extracting pollen nuclei for measuring DNA content with flow cytometry, involving the bursting of pollen through a nylon
annals-of-botany
Responses of legumes to temperature and low phosphorus
Suriyagoda et al. investigate root and shoot responses of three perennial legumes (Cullen cinereum, Kennedia nigricans and Lotus australis) to a range of temperatures at limited
annals-of-botany
Rain-splash pollination in a deceptive orchid
Pollination by rain (ombrophily) has been reported for several flowering plants but evidence for this type of abiotic pollination has remained controversial. Fan et al. investigate
annals-of-botany
The cost of hosting ants
Hosting ants confers effective protection against herbivores, and swollen, hollow stems functioning as domatia have evolved many times in plants. Blatrix et al. study the allometry
annals-of-botany
Expression of floral MADS-box genes in Sinofranchetia
The second-whorl floral organs of Sinofranchetia chinensis (Lardizabalaceae) are nectar leaves. Hu et al. study the expression patterns of floral MADS-box genes in S.
annals-of-botany
Method for transient gene expression in monocots
There are a number of well-developed Agrobacterium-mediated transformation methods for dicotyledonous plants, but few for monocotyledonous plants. Fursova et al. develop a new approach
annals-of-botany
Development of the midrib xylem during leaf expansion
The water-transport capacity of leaf venation is positively related to the leaf-lamina area, because the number and diameter of vein-xylem conduits are properly