Help


[permalink] [id link]
+
Page "Zingiberaceae" ¶ 6
from Wikipedia
Edit
Promote Demote Fragment Fix

Some Related Sentences

perianth and is
The colour of the flowers is determined by the colour of the perianth parts and often the style.
The style is much longer than the perianth, and is initially trapped by the upper perianth parts.
When the styles and perianth parts are different colours, the visual effect is of a colour change sweeping along the spike.
The grapefruit-sized, ovoid fruit has a rough surface, and each fruit is divided into many achenes, each achene surrounded by a fleshy perianth and growing on a fleshy receptacle.
The perianth is reduced to two scales, called lodicules, that expand and contract to spread the lemma and palea ; these are generally interpreted to be modified sepals.
All Narcissus species have a central bell -, bowl -, or disc-shaped corona surrounded by a ring of six floral leaves called the perianth which is united into a tube at the forward edge of the 3-locular ovary.
Thus, Actaea, a Poeticus ( Division 9 ) Daffodil, is officially classified as 9 W-GYR, while Accent, a Large Cup ( Division 2 ) Daffodil possessing a white perianth and a pink corona, is officially classified as 2 W-P.
Simmonds noted however that the " perianth structure is like that of Musa " and that the " perianth characters are critically diagnostic of genus ".
The androecium forms a whorl surrounding the gynoecium ( carpels ) and inside the perianth ( the petals and sepals together ) if there is one.
The calyx ( plural, calices, the sepals ) and the corolla ( the petals ) are the outer sterile whorls of the flower, which together form what is known as the perianth.
The term tepal is usually applied when the parts of the perianth are difficult to distinguish, e. g. the petals and sepals share the same color, or the petals are absent and the sepals are colorful.
The diaspores are seeds ore fruits ( utricles ), more often the perianth persists and is modified in fruit for means of dispersal.
Each flower is subtended by bracts and has a perianth of tepals ( undifferentiated sepals and petals ) arranged in a spiral or possibly whorled at the periphery.
Flowers are bisexual, with no perianth, each flower is subtended by a peltate bract.
This type of corolla, a feature of all families of Asparagales as well as the related order Liliales, distinguishes them from other monocots, such as grasses, palms or reeds, in which the perianth is either reduced or with the members of one or both of the whorls firm-textured and dry and often brown or green.
In the Iridaceae the perianth is formed of two whorls of three tepals, all similar in structure, shape, and often color.
The term tepal is more often applied specifically when all segments of the perianth are of similar shape and color, or undifferentiated, which is called perigone.
The fruit is a three-angled achene, surrounded by an often brightly coloured fleshy perianth, edible in some species, though often astringent.

perianth and composed
* In flowering plants, the perianth is composed androecium and carolla fused together. flower.

perianth and two
* Division 5: Triandrus Daffodil Cultivars Characteristics of N. triandrus clearly evident: usually two or more pendent flowers to a stem ; perianth segments reflexed.
** a ) Collar Daffodils: Split-corona daffodils with the corona segments opposite the perianth segments ; the corona segments usually in two whorls of three.
Floral symmetry refers to whether, and how, a flower, in particular its perianth, can be divided into two or more identical or mirror-image parts.
In tribe Atripliceae, the female flowers are without perianth, but enclosed by two bracts.
The term perianth has two similar but separate meanings in botany:

perianth and whorls
The families all contain species with essential oils, and flowers with a perianth with bracts ( when present ), sepals, and petals incompletely distinguished from each other and not arranged in definite whorls.
There are 6 perianth segments divided in 2 whorls, with female flowers often having bigger perianths.

perianth and fused
The flowers have a bell-shaped perianth consisting of a single series of fused lobes which is regarded as a calyx despite being brightly coloured in most species.

perianth and tubular
Kniphofia is considered an outgroup of Alooideae since it has tubular flowers and a fusion of perianth segments, but it lacks succulent leaves.
When joined, the perianth forms a tubular bell.
The flowering stem grows to 20 – 35 cm ( rarely to 45 cm ) tall, bearing a spike of 2 – 50 fragrant purple flowers 2 – 3. 5 cm long with a tubular, six-lobed perianth.

perianth and calyx
Some of the synapomorphies of the order are: leaves in spiral, secondary veins palmated, calyx or perianth valvate, elevated stomatal calyx / perianth with separate styles.
The calyx ( all of the sepals ) and the corolla together make up the perianth.
The floral envelope (= perianth ) has a distinct calyx and corolla.
The perianth may either consist of the calyx ( all sepals ) and the corolla ( all petals ), or, if sepals and petals are not differentiated, of the perigone ( all tepals ).

perianth and corolla
The collective term for all the petals of a flower or the inner whorl of the perianth ; the corolla of Pachypodium baronii is limb and crimson with a corolla tube.
The corolla, the collective term for the petals of a flower or the inner whorl of the perianth, in the nexus for taxonomical confusion of the taxon.
This bloom covers the basal part of the corolla tube, the petals of a flower considered as a group or unit and usually of a color other than green, or the inner whorl of the perianth shaped like a tube.
The corolla, the inner whorl of the perianth, is bright yellow.

perianth and with
The flowers are normally bisexual, small, and actinomorphic, with a perianth of 3-6 sepals.
* Division 4: Double Daffodil Cultivars One or more flowers to a stem, with doubling of the perianth segments or the corona or both.
* Division 6: Cyclamineus Daffodil Cultivars Characteristics of Narcissus cyclamineus clearly evident: one flower to a stem ; perianth segments significantly reflexed ; flower at an acute angle to the stem, with a very short pedicel (“ neck ”).
* Division 9: Poeticus Daffodil Cultivars Characteristics of the Narcissus poeticus group: usually one flower to a stem ; perianth segments pure white ; corona very short or disc-shaped, usually with a green and / or yellow centre and a red rim, but sometimes of a single colour ; flowers usually fragrant.
* Division 10: Bulbocodium Daffodil Cultivars Characteristics of Section Bulbocodium clearly evident: usually one flower to a stem ; perianth segments insignificant compared with the dominant corona ; anthers dorsifixed ( i. e., attached more or less centrally to the filament ); filament and style usually curved.
** b ) Papillon Daffodils: Split-corona daffodils with the corona segments alternate to the perianth segments ; the corona segments usually in a single whorl of six.
In the case of multiple colors, the perianth colors are assigned from the outer edge of the perianth segments inward to their juncture with the base of the corona, while the corona colors are assigned from the base of the corona outward to the rim.
The stamens number 5 or 10 ( or more rarely 4 or 8 ), and are mostly isomerous with the perianth.
Flowers are regular with a herbaceous or scarious perianth of ( 1 to ) mostly 5 ( rarely to 8 ) tepals, often joined.
" Scandent herbs, the rootstock a horizontal rhizome, the stem leafy, the leaves spirally arranged or subopposite, the upper ones with cirrhose tips ; flowers solitary, large, borne on long, spreading pedicels, actinomorphic, hermaphrodite ; perianth segments 6, free, lanceolate, keeled within at base, long-persistent ; stamens 6, hypogynous, the anthers extrorse, medifixed and versatile, opening by longitudinal slits ; ovary superior, 3-celled, the carpels cohering only by their inner margins, the ovules numerous, the style deflected at base and projecting from the flower more or less horizontally ; fruit a loculicidal capsule with many seeds "
The flowers of Hamamelidaceae are mostly bisexual with perianth parts, which mature to fruits arranged in spikes, racemes or nonglobose heads.
Some bracts are brightly colored and serve the function of attracting pollinators, either together with the perianth or instead of it.
The inner part of the perianth tube is covered with hairs, acting as a fly-trap.
There are 4 or 5 stamens, usually isomerous with the perianth.

0.551 seconds.