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14 results for “inflorescence structure”
Data From: Inflorescence and flower development in Orchidantha chinensis T. L. Wu (Lowiaceae; Zingiberales): similarities to inflorescence structure in the Strelitziaceae
<p>The monotypic Lowiaceae remains the least known family in the plant order Zingiberales, yet it holds an important key to unraveling the phylogenetic placement of the families Musaceae, Heliconiaceae, Strelitziaceae, and Lowiaceae. After nine phylogenetic studies the (Lowiaceae, Strelitziaceae) clade is the only stable clade that has emerged in this half of the order. This study was undertaken to verify the unusual inflorescence and flower structure in Orchidantha, and to search for new characters that might be used in future phylogenetic analyses. We describe both inflorescence and flower development in a previously unstudied species, confirm inflorescence morphology in the genus, and compare the structure of the inflorescence in the Lowiaceae with that of the Strelitziaceae, its potential sister group. </p> <p>The inflorescence of Orchidantha is born at the end of a vegetative shoot and is composed of two lateral branches that each bear four bracts and a single flower, before aborting. The fourth bract and its associated flower form the highly reduced flower cluster (florescence) that characterizes this genus. In technical terms Orchidantha has a polytelic synflorescence that lacks a main florescence (it has a truncated polytelic synflorescence) and bears solitary flowers in coflorescences on determinate enriching branches. The enriching branches produce a fixed number of bracts before aborting (i.e., they are special paracladia). Many of these features are shared with the Strelitziaceae.</p> <p>Similarities between the Lowiaceae and Strelitziaceae include inflorescence structure, the presence of a long prolongation of the ovary, and a delay in the formation of the third sepal during flower development, a character that is also shared with the Musaceae. Inflorescence and flower structure is now well established in this small, but important family.</p>
Data From: Inflorescence and flower development in Orchidantha chinensis T. L. Wu (Lowiaceae; Zingiberales): similarities to inflorescence structure in the Strelitziaceae
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Data from: Systematics and evolution of inflorescence structure in the Tradescantia alliance (Commelinaceae)
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FIGURE. Floral habit and structure of C. spongifolia. A. Type specimen in situ with open, spathe limb (apex is reflexed out of view), and green spathe tube (ca. 6 cm long). B. Adjacent plant with inflorescences and prophylls. C. Spadix showing from top: sterile appendix, staminate (male) zone, sterile interstice, and green pistillate (female) zone with tapered, conical form. D. Detail of female zone showing a few basal staminodes. E–G. Berries of the preserved type specimen. G. Dissected berry with orthotropous ovules (some outlined) attached by funicles to parietal placentae (arrows). H. Surface of male zone showing closely-packed synandria. I. Synandria separated to show fused anther sacs beneath apical pores (example in center has 8 pores, 8 anthers) J. Mature fruiting head, with single berry removed to show seed packing and 67 seeds extracted (scale bar units: 1 mm) (Bach Ma NP; type 2020; fruit and seeds 2018). Photos: NVD and PJM. in Colocasia spongifolia sp. nov. (Araceae) in southern China and central Vietnam
FIGURE. Floral habit and structure of C. spongifolia. A. Type specimen in situ with open, spathe limb (apex is reflexed out of view), and green spathe tube (ca. 6 cm long). B. Adjacent plant with inflorescences and prophylls. C. Spadix showing from top: sterile appendix, staminate (male) zone, sterile interstice, and green pistillate (female) zone with tapered, conical form. D. Detail of female zone showing a few basal staminodes. E–G. Berries of the preserved type specimen. G. Dissected berry with orthotropous ovules (some outlined) attached by funicles to parietal placentae (arrows). H. Surface of male zone showing closely-packed synandria. I. Synandria separated to show fused anther sacs beneath apical pores (example in center has 8 pores, 8 anthers) J. Mature fruiting head, with single berry removed to show seed packing and 67 seeds extracted (scale bar units: 1 mm) (Bach Ma NP; type 2020; fruit and seeds 2018). Photos: NVD and PJM.
Figure 4 in Structure and composition of the insect community associated with flower buds and inflorescences of Byrsonima verbascifolia (Malpighiaceae)
Figure 4. Similarity of the abundance of floral visitors collected in the two flowering stages of B. verbascifolia. BUD = flower buds; IFL: inflorescences. (From ten plants sampled during 2 hours: 1 h in the morning and 1 h in the afternoon).
Figure 3 in Structure and composition of the insect community associated with flower buds and inflorescences of Byrsonima verbascifolia (Malpighiaceae)
Figure 3. Abundance, richness and diversity of flower visitors and ants collected in B. verbascifolia. BUD = flower buds; IFL: inflorescences. Error bars represent SE. (From ten plants sampled during 2 hours: 1 h in the morning and 1 h in the afternoon).
Figure 2 in Structure and composition of the insect community associated with flower buds and inflorescences of Byrsonima verbascifolia (Malpighiaceae)
Figure 2. (a) Venn diagram for specimens of flower visitors collected in B. verbascifolia. (b) Venn diagram for ant specimens collected in B. verbascifolia BUD = flower buds; IFL: inflorescences. (From ten plants sampled during 2 hours: 1 h in the morning and 1 h in the afternoon).
Figure 1 in Structure and composition of the insect community associated with flower buds and inflorescences of Byrsonima verbascifolia (Malpighiaceae)
Figure 1. Phenology of B. verbascifolia during 12 months. The number of leaves, flower buds, inflorescences and infructescences.
Figure 5 in Structure and composition of the insect community associated with flower buds and inflorescences of Byrsonima verbascifolia (Malpighiaceae)
Figure 5. Similarity of the abundance of ants collected in the two flowering stages of B. verbascifolia. BUD = flower buds; IFL: inflorescences. (From ten plants sampled during 2 hours: 1 h in the morning and 1 h in the afternoon).
The Intronic Structure Variation of Rapeseed BnaC3.LEAFY Regulates the Timing of Inflorescence Formation and Flowering
GEO Series GSE285115. Brassica napus. 6 samples. Type: Expression profiling by high throughput sequencing.
The Structural Variations of Rapeseed BnaC3.LEAFY with Agronomic Effects on the Timing of Inflorescence Formation and Flower Opening
GEO Series GSE274742. Brassica napus. 18 samples. Type: Expression profiling by high throughput sequencing.
Structural Variation at the Maize wuschel1 Locus Alters Stem Cell Organization in Inflorescences
GEO Series GSE158330. Zea mays. 7 samples. Type: Expression profiling by high throughput sequencing.
The Intronic Structure Variation of Rapeseed BnaC3.LEAFY Regulates the Timing of Inflorescence Formation and Flowering [ChIP-Seq]
GEO Series GSE285927. Brassica napus. 3 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
FIGURE 1. Aspidistra thuongiana, shoot structure. A. Habit. B. Inflorescence. C. Foliage leaf, adaxial view. D. Branching rhizome with inflorescences. E in Aspidistra thuongiana (Asparagaceae, Nolinoideae), a new species from the South Central Coast region of Vietnam
FIGURE 1. Aspidistra thuongiana, shoot structure. A. Habit. B. Inflorescence. C. Foliage leaf, adaxial view. D. Branching rhizome with inflorescences. E. Rhizome with inflorescences bearing flower buds, anthetic flower and a fruit. Pham Van The et al. PVT1026 (type). Photos by Van The Pham, correction and design by M. Nuraliev.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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