annals-of-botany
A stable phylogeny for the cycads
The cycads (order Cycadales) are an ancient order of gymnosperms comprising ten genera and 331 species found in all tropical regions of the earth. Using sequences
annals-of-botany
Ricinosomes and cell death in quinoa seeds
Early detection of Cys-EP in ricinosomes may predict the occurrence of programmed cell death during late seed development in quinoa.
annals-of-botany
APETALA3- and PISTILLATA-like genes in a basal angiosperm
Liu et al. study class B gene homologs in Hedyosmum orientale and find that the development of the perianth does not rely on B homeotic function.
annals-of-botany
Chamaecrista flexuosa: a possible case of atypical enantiostyly
An investigation of reproductive biology and the presence of deviations from the enantistylous standard form in Chamaecrista flexuosa (Fabaceae).
annals-of-botany
Nutrient reserves in geophytes may allow genome size increase
A study of 47 pairs of geophytic taxa and their closest non-geophytic relatives across the whole angiosperms.
annals-of-botany
Auxin and H2O2 interaction in control of root growth
One of the best-known effects of the plant hormone auxin on plant development is the inhibition of root elongation, yet the underlying mechanism remains poorly
annals-of-botany
Duration of shoot elongation in Scots pine
A study of lateral shoot growth in Scots pine over 7 years finds that daily maximum growth rate correlates positively with growth duration.
annals-of-botany
Nutrient requirements differ in two sympatric hemiparasitic species
The reasons for marked differences in growth performance of hemiparasites when attached to different hosts are not fully understood. Li et al. study the responses to
annals-of-botany
Novel structure of placenta in a lycophyte
An examination of an embryo in an underground gametophyte reveals a massive foot with ultrastructural variability comparable to that across major clades.
annals-of-botany
AM fungi and P acquisition by hemiparasitic Pedicularis
A study of Pedicularis rex and P. tricolor finds that AM colonization is low, and less than 1 % of total plant P is taken up from the soil via the AM fungus.
annals-of-botany
Morphogenesis and contact sites in lobed mesophyll cells
A study of morphogenesis of lobed MCs of Zea mays finds that it is characterized by early, patterned differentiation of two distinct cell wall subdomains.
annals-of-botany
Phylogenomics and taxonomy of an isolated panicoid lineage
Lecomtella madagascariensis belongs to a lineage sister to three panicoid tribes of major economical importance distributed worldwide.