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84 results for “Aizoaceae”
Linked collectors and determiners for: Six new species of Ruschieae (Aizoaceae) and further notes in Ruschia.
Natural history specimen data linked to collectors and determiners held within, "Six new species of Ruschieae (Aizoaceae) and further notes in Ruschia". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/ec74f8c7-0d1d-4ad7-b9d7-3acab1c23ec2">https://bionomia.net/dataset/ec74f8c7-0d1d-4ad7-b9d7-3acab1c23ec2</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/ec74f8c7-0d1d-4ad7-b9d7-3acab1c23ec2">https://gbif.org/dataset/ec74f8c7-0d1d-4ad7-b9d7-3acab1c23ec2</a>. Formatted as a Frictionless Data package.
Fig. 5. Namaquanthus cephalophylloides, Klak 2917 in Two New Species of Aizoaceae (Ruschieae, Ruschoideae) from the Cape, South Africa.
Fig. 5. Namaquanthus cephalophylloides, Klak 2917 (BOL) (A -E): A. Clump- forming plants among quartz-gravel. Maturing fruits are pointing downwards. B. Solitary magenta flowers on long pedicels. C. Side view of closed capsule. The fruit is no longer attached to the pedicel. The lower part of fruit is indented in the area where the pedicel is attached. D. Top view of open capsule. E. Seed distinctly echinate. Namaquanthus vanheerdei, Klak 493 (BOL): F. Seed.
Fig. 4 in Two New Species of Aizoaceae (Ruschieae, Ruschoideae) from the Cape, South Africa.
Fig. 4. Distribution of Namaquanthus cephalophylloides (circle), N. vanheerdei (triangle), Smicrostigma viride (inverted triangle), S. warmwaterbergense (square).
Fig. 3. Smicrostigma warmwaterbergense, Bruyns 14033 in Two New Species of Aizoaceae (Ruschieae, Ruschoideae) from the Cape, South Africa.
Fig. 3. Smicrostigma warmwaterbergense, Bruyns 14033 (BOL) (A, B, D-F): A. Flowering branch, December 2021, South Africa. B. Close-up of flower with stamens visible. D. Side view of closed capsule. E. Top view onto open capsule. F. Seed. Smicrostigma viride: C. Close-up of flower showing the stamens and stigmas concealed by the staminodes, Klak 3035 (BOL).
Fig. 2. Namaquanthus vanheerdei, Klak 493 in Two New Species of Aizoaceae (Ruschieae, Ruschoideae) from the Cape, South Africa.
Fig. 2. Namaquanthus vanheerdei, Klak 493 (BOL). (A-D): A. Large colony of N. vanheerdei on a rocky slope in northern Namaqualand. B. Dense cushion forming habit, with dark green leaves. C. Solitary magenta flowers showing the different stages of flowering: during the first days after opening the inner petals hide the center (left), in older flowers (right) the center is visible. Note: pollen is yellow in some plants. D. Close-up of a young flower showing the inner petals curved over the center.
Image 2 in Aizoaceae (Magnoliopsida: Caryophyllales) - a new family record to the flora of Andaman Islands, India
Image 2. Herbarium image of Sesuvium portulacastrum (L.) L. (Aizoaceae)
Image 1 in Aizoaceae (Magnoliopsida: Caryophyllales) - a new family record to the flora of Andaman Islands, India
Image 1. Sesuvium portulacastrum (L.) L. (Aizoaceae)
Data from: A revision of Sesuvium (Aizoaceae, Sesuvioideae)
Sesuvium and Cypselea are closely related succulent genera within the Sesuvioideae (Aizoaceae). Since Cypselea is nested in Sesuvium in molecular studies and both genera share traits separating them from other members of the subfamily, we propose to include Cypselea in Sesuvium. Sesuvium (incl. Cypselea) comprises 14 species and is distributed worldwide with centres of diversity in southern Africa and North and Central America. Sesuvium comprises erect to procumbent herbs with opposite leaves that often bear conspicuous sheath-like lateral appendages on the petioles (pseudostipules). These and the many-seeded capsules are diagnostic traits, separating Sesuvium from the closely related genera Trianthema and Zaleya. Sesuvium is usually found in coastal or otherwise saline areas and is phylogenetically divided into an African (5 spp.) and an American lineage (9 spp.). While all African species are C4 plants, the American lineage also comprises a derived C3 lineage, which includes the cosmopolitan species S. portulacastrum. Some floras provide descriptions and keys for locally relevant species, but currently no comprehensive taxonomic treatment is available for Sesuvium. In this paper, a key and descriptions for all species are provided. Furthermore, we compile information on the rare and poorly known species of the genus and address issues concerning species concepts in Sesuvium, which impede species identification. The inclusion of Cypselea in Sesuvium leads to three new combinations: Sesuvium humifusum , Sesuvium mezianum and Sesuvium rubriflorum .
Data from: A taxonomic revision of Schlechteranthus subgenus microphyllus (Ruschieae; Aizoaceae)
Schlechteranthus subgenus Microphyllus is a recently erected subgenus, which is revised here for the first time. The subgenus is comprised of nine succulent species, including a new species S. parvus, and are endemic to the arid part of the Greater Cape Floristic Region. Schlechteranthus subgenus Microphyllus can be distinguished from subgenus Schlechteranthus by the smaller leaves (3.5-5.0 × 4-6 mm vs. 5-30 × 3.5-9.0 mm) and smaller capsules (2-6 × 2-6 mm vs. 6-11 × 4-9 mm), with seven to nine locules and small closing bodies that block one third of the locule (vs. 10 to 12 locules and closing bodies that block three quarters of the locule). Differences in leaf shape, degree of fusion, and arrangement, as well as inflorescence and spine structure were identified as important characters in distinguishing species in the subgenus. Schlechteranthus parvus, S. pungens, S. spinescens, and S. stylosus all share the presence of spines, caducous bracteoles, and cymose inflorescences. Maps illustrating species richness hotspots within a quarter degree square were produced for the genus and subgenera respectively. A key to the subgenera in Schlechteranthus and a comprehensive taxonomic treatment of subgenus Microphyllus is presented, including a key to the species, descriptions, figures illustrating diagnostic characters and distribution maps.
FIGURE. 1 in Lampranthus alboroseus (Ruschioideae, Aizoaceae), a new species from the mountains of the Western Cape, South Africa
FIGURE. 1. Flowering plants of Lampranthus alboroseus at the type locality in October 2019, Southern Cederberg, Hondverbrand plateau, between Loskop and Hamerkop. Helme 9567 (BOL).
FIGURE 11 in The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)
FIGURE 11. Habitat of Ruschia promontorii, rocky outcrops among fynbos. Cape Point Nature Reserve, August 2006, South Africa (photo by N. Helme).
FIGURE 2 in The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)
FIGURE 2. Ruschia stricta var. turgida, cult. Vanrhynsdorp, Frames sub BOL 19029; (drawing by B.O. Carter).
FIGURE 3 in The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)
FIGURE 3. Ruschia turgida (= R. stricta var. turgida) showing the bright green leaves with translucent margins along the edges and the 6-locular fruits. Farm Moedverloren, Knersvlakte, South Africa, October 2019 (photo by U. Schmiedel).
FIGURE 6 in The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)
FIGURE 6. Monotypic stands of Ruschia turgida (= R. stricta var. turgida) in broad valleys surrounded by low, quartz-gravel covered hills. Farm Moedverloren, Knersvlakte, South Africa, October 2019 (photo by U. Schmiedel).
FIGURE 4 in The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)
FIGURE 4. Fruit of Ruschia turgida (=Ruschia stricta var. turgida). Top of open fruit and side view of closed fruit, Klak 2614. Scale: Distances between white lines indicate 1 mm.
FIGURE 9 in The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)
FIGURE 9. Ruschia promontorii, Cape Point, Western Cape, South Africa, Rohland sub NBG 1543/20 (drawing by M.M. Page).
FIGURE 10 in The taxonomic status of Ruschia stricta var. turgida and R. promontorii and a new name for R. vaginata (Ruschieae, Aizoaceae)
FIGURE 10. Amphibolia laevis, Saldanha Bay, Western Cape, South Africa, Hutchinson 288 (BOL) (drawing by B.O. Carter).
FIGURE 1. A–B in Aptenia ×vascosilvae (A. cordifolia × A. haeckeliana) (Aizoaceae), the new nothospecies from which the horticulturally popular cultivar Aptenia 'Red Apple' was derived
FIGURE 1. A–B. Habit of Aptenia ×vascosilvae (B: a population of A. ×vascosilvae naturalised on Tabarca Island, Alicante province, Spain). C. A. cordifolia. D. A. haeckeliana. E. Flowers of A. cordifolia (purple flower) and A. haeckeliana (yellowish flower). F. Leaves of A. cordifolia (basally cordate) and A. haeckeliana (basally cuneate) (photos by E. Laguna).
Fig. 7 in A recircumscription of Jacobsenia (Aizoaceae): Re-instating Drosanthemopsis, with two new quartz-endemics from Namaqualand, South Africa and sinking Knersia *
Fig. 7. Distribution of Jacobsenia. J. kolbei and J. hallii, with Knersvlakte phytochorion indicated (red hashes).
Fig. 5 in A recircumscription of Jacobsenia (Aizoaceae): Re-instating Drosanthemopsis, with two new quartz-endemics from Namaqualand, South Africa and sinking Knersia *
Fig. 5. Scanning electron micrographs of the leaf epidermis found in the Drosanthemopsis clade.A. D. kwaganapensis, Klak 2379 (BOL), showing the conspicuous antler-like protrusions; B. D. vaginata, Klak 2311 (BOL), with antler-like protrusions similar to those found in D. kwaganapensis; C. D. bella, Klak 2309 (BOL),with fewer and smaller antler-like protrusions than found in A&B. D. D. diversifolia, Klak 883 (= Knersia diversifolia) (BOL).
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