Vernation or leafing[1] is the formation of new leaves or fronds. In plant anatomy, it is the arrangement of leaves in a bud.
In pine species, new leaves are short and encased in sheaths. Each leaf bundle consists of 2 to 5 needles. All the leaves on one section of branch grow in length together. In cabbage species, new leaves are folded over, each covered by the previous leaf.
Vernation or leafing is the formation of new leaves or fronds. In plant anatomy, it is the arrangement of leaves in a bud. In pine species, new leaves...
subgroups, usually on the basis of the pattern of the emerging leaves (vernation). In the era of molecular phylogenetics this characteristic has been shown...
35–89 cm long. The leaves exhibit a scalariforme venation and supervolute vernation. Covering the leaves are tiny black glandular punctuates. The berries...
leaves are initially folded in the bud, but later unrolls it is called vernation, ptyxis is the folding of an individual leaf in a bud. The Latin word...
sepals and petals or their lobes in an unexpanded flower bud. Contrast vernation. aff. (affinis) With affinity to others, akin to; often used for a provisionally...
on the plant, each fiddlehead would unroll into a new frond (circinate vernation). As fiddleheads are harvested early in the season, before the frond has...
calendars most likely being observational and based on natural cycles like vernation and ripening. The traditional Chinese calendar is lunisolar, as are others...
be distinguished from it by its involute vernation. Cryptocoryne on the other hand exhibit convolute vernation. Helophytes, rarely rheophytes, with thick...
flowers, which are the first flowers to bloom after Winter, even before vernation of the leaves of the tree. The symbolism of the nine-branched Chanukkiyah...
this plant unroll in spirals – an arrangement similar to the circinate vernation seen in ferns. D. filiformis occurs naturally in both Canada and the United...
separated from each other that the vernation cannot be determined. There are six main types of vernation. In the valvar vernation, the flower pieces may touch...
a device that measures the moisture level in plant leaves Leaf shape Vernation – sprouting of leaves, also the arrangement of leaves in the bud slek...
fiddlehead into fronds. This uncurling of the leaf is termed circinate vernation. Leaves are divided into two types: sporophylls and tropophylls. Sporophylls...
kerrii), this shape common in young, vernal leaves in other species, vernation folded, with the petiole usually sheathed, enclosing the axillary bud...
light green, often crinkled, with a black midrib, and exhibit circinate vernation. Spores develop in sori on the underside of the fronds. These sori form...
the way in which an individual leaf is folded within an unopened bud. Vernation – the arrangement of leaves in an unopened bud. Plants, with regard to...
fronds are initially coiled into a fiddle-head or crozier (see circinate vernation), although cycad and palm fronds do not have this pattern of new leaf...
arrangement of veins in insect wings All pages with titles containing Venation Vernation, the arrangement of leaves in a bud This disambiguation page lists articles...
iconoclasm. He was imprisoned and exiled, returning to Lesbos only after the vernation of icons was restored in 842.: 32–33 The bishop George of Mytilene, who...
entire (undivided) fronds. The fronds of tree ferns also exhibit circinate vernation, meaning the young fronds emerge in coils that uncurl as they grow. Unlike...
characteristic of coiling 'outward' when immature (outward circinate vernation). Seed germination may be aided by scarification. Drosophyllum lusitanicum...
of Cryptocoryne species exhibit convolute vernation whereas Lagenandra species exhibit involute vernation. The name Cryptocoryne is derived from the...
dichotomously, and grew at the ends by unrolling, a process known as circinate vernation. The stems had a central vascular column in which the protoxylem was exarch...
including woody rhizomes, operculate pollen, and the lack of circinate vernation in scape growth. All of these factors, combined with molecular data from...
almost its whole length. The emerging leaves are hairy and show involute vernation; and the young leaves have a distinct bluish tint, which distinguishes...
parallel venation, brochidodromous or reduced to a single prominent vane, vernation normally conduplicate; anisophylly often occurs during the different growth...
plant bud. For the arrangement of leaves within a vegetative bud, see Vernation. For the arrangement of flower parts within a flower bud (prefloration)...
indeterminate growth, with fertile branches generally showing circinate vernation (initially curled up). Kenrick and Crane in 1997 also placed the genus...
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