dc:description"Text-fig. 1. SEM images of flowers of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Flowers in lateral view showing elongated pedicel, narrowly triangular sepals and elongated protruding style (a); note the large openings in the floral tissue and pedicel (asterisks) interpreted as schizogenous secretory cavities. c: Flower in lateral view with portion of the calyx missing exposing the ovary wall and slightly raised nectariferous ring with probable stomata-like secretory structures (arrow). d: Flower in lateral view showing long pedicel and three of the five tepals; note the elongated narrowly triangular form of the sepals. e: Flower in oblique lateral view with portion of the calyx missing exposing the ovary and elongated style. f, g: Flowers in apical view showing the bases of five sepals (f) and apex of the five-parted ovary; note larger openings in the floral tissue (asterisk) interpreted as schizogenous secretory cavities. Specimens, Mira 100-S170155 (a, holotype), Mira 100-S153145 (b, c, g), Mira 100- S101267 (d), Mira 105-S100732 (e), Mira 100-S101268 (f). Scale bars = 600 µm (a–g).";
dc:description"Text-fig. 2. SEM images of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Flowers in oblique lateral view showing remains of calyx and slightly semi-inferior ovary with elongated apical style (a); note larger openings in the floral tissue (asterisk) interpreted as schizogenous secretory cavities and the stomata-like secretory structures on the upper portion of the ovary (arrows) that are interpreted as nectariferous (b). c: Detail of ovary surface showing secretory stomata-like structures (arrows). d: Flower in lateral view showing fragmentary calyx and broken slightly semi-inferior ovary with secretory stomata-like structures; note the point of attachment of the central placenta (pl). e: Cluster of seeds removed from the ovary in (d) showing reticulate surface. f: Outer (abaxial)surface of calyx lobe showing the slightly pointed papillae and scattered, fine trichomes (arrows). g: Triaperturate pollen grains from the ovary surface. Specimens, Mira 100-S153146 (a, b), Mira 100-S170155 (c), Mira 100-S101266 (d, e), Mira 105-S100732 (f), Mira 100-S170125 (g). Scale bars = 600 µm (a, b, d), 300 µm (f), 100 µm (c, e), 10 µm (g).";
dc:description"Text-fig. 3. SRXTM images of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Volume renderings of flower bud in two different lateral views showing long pedicel, distinct calyx (ca) with almost equiaxial epidermal cells and corolla (co) with nearly smooth surface. c–e: Transverse sections (c, orthoslice xy1500; d, orthoslice xy1760; e, orthoslice xy1850) through flower bud at levels below the anthers showing stamen filaments (yellow) opposite the corolla lobes (co) and smaller staminodes (orange)";
dc:description"Text-fig. 5. SRXTM imagesof Miranthuselegans gen. et sp. nov.;Mira locality, Portugal. a, b: Transverse sections offlower (a, orthoslice xy0665 close to the apex of placenta; b, orthoslice xy0800 in middle part of placenta) showing remains of calyx with distinct bundles (arrows), ovary wall (ow) and numerous ovules (ov) on the central mushroom-shaped globose placenta (pl) with central column (cc). c: Transverse section of flower (orthoslice xy0620) through perianth and ovary (ow) at a level above the placenta showing ovules (ov) and cellular preservation of the sepal bundles (arrows shown for one sepal); note abaxial surface of sepals with thick-walled epidermal cells, thick cuticle, and fine pointed verrucae. d: Longitudinal section of flower (orthoslice xz0500) showing perigynous position of calyx and semi-inferior ovary (ow, ovary wall) with a central placenta (pl), central column (cc) and numerous ovules (ov); note spiny verrucae on abaxial surface of calyx lobes. Specimens, Mira 100-S153145 (a, b), Mira 100-S170155 (c, d, holotype). Scale bars = 600 µm (a–d).";
dc:description"Text-fig. 6. SRXTM images of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a: Volume rendering of flower in apical view showing five narrow calyx lobes; note that the apical part of the five-angled style is sealed (arrow). b: Volume rendering of flower (cut at orthoslice xy0796) showing transverse sections of calyx lobes with three distinct bundles indicated by arrows in one of the lobes, ovary wall (ow) and central placenta (pl) bearing numerous ovules (ov). c, d: Transverse sections of style (c, orthoslice xy0153; d, orthoslice xy0222) showing five angled form, sealed near apex (c) and with prominent central canal further farther down (d). e: Volume rendering of flower (cut at orthoslice xz1024) in longitudinal section showing calyx, semi-inferior ovary with ovary wall (ow), and central placenta (pl) bearing numerous ovules (ov). Specimen, Mira 100-S153145 (a–d). Scale bars = 600 µm (a, b, e), 100 µm (c, d).";
dc:description"Text-fig. 4. SRXTM images of Miranthus elegans gen. et sp. nov.; Mira locality, Portugal. a, b: Transverse (a) and longitudinal (b) sections of flower showing the ovary wall (ow) and numerous ovules (ov) borne on the mushroom-shaped central globose placenta (pl, blue); placenta shown as a voltex rendering added to orthoslices; note the large openings in the floral tissue (asterisks) interpreted as schizogenous secretory cavities. c, d: Longitudinal (c) and transverse (d) sections of flower (c, volume rendering cut between orthoslice yz0970-1005; d, volume rendering cut between orthoslice xy0780-0820) showing semiinferior ovary (ow, ovary wall) with sepals inserted at the rim of the hypanthium, central column (cc) with mushroom-shaped globose placenta (pl) bearing numerous ovules (ov). Specimens, Mira 100-S153146 (a, b), Mira 100-S170155 (c, d, holotype). Scale bars = 600 µm (a–d).";
