Find research datasets worth reusing
Search datasets from major research repositories and use ShareScore to quickly assess how well each record supports discovery, access, and reuse.
606
datasets available to search
ShareScore release 0.9.0
Dataset results
606 results for “Arecaceae”
FIGURE 6 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 6. Geographic distribution of Trithrinax brasiliensis and its two varieties T. brasiliensis var. brasiliensis (red circles) and T. brasiliensis var. acanthocoma (yellow circles).
FIGURE 2 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 2. Aerial root systems in Trithrinax. A. T. brasiliensis var. acanthocoma (Paraná, Brazil), scale bar: 10 cm; B. T. brasiliensis var. brasiliensis (Rio Grande do Sul, Brazil), scale bar: 20 cm; C. T. campestris (Santiago del Estero, Argentina), scale bar: 10 cm; D. T. schizophylla var. biflabellata (Presidente Hayes, Paraguay), scale bar: 2 cm.
FIGURE. 4. Calamus quangngainesis. A in Four new species of Calamus (Arecaceae) from Vietnam
FIGURE. 4. Calamus quangngainesis. A. Leaf sheath, densely brown tomentose with densely cover of spines. B. Leaf with regularly arranged pinnae. C. Partial staminate inflorescence. D. Partial pistillate infructescence with fruits. (A–D from Henderson & Nguyen Quoc Dung 3880).
FIGURE 3. Calamus phuocbinhensis. A in Four new species of Calamus (Arecaceae) from Vietnam
FIGURE 3. Calamus phuocbinhensis. A. Leaf sheath with lack of tomentum, few spines, and small ocrea. B. Pinnae, irregularly arranged and spreading in different planes. (A–B from Henderson & Nguyen Quoc Dung 3853).
FIGURE 2. Calamus flavinervis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B. Leaf, showing clustered pinnae. C in Four new species of Calamus (Arecaceae) from Vietnam
FIGURE 2. Calamus flavinervis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B. Leaf, showing clustered pinnae. C. Distalmost pinnae, showing cluster of pinnae with the distalmost pair oriented away from the sheath and the adjacent pair oriented at a 45º angle to the rachis. D. Partial pistillate inflorescence. (A–D from Henderson & Nguyen Quoc Dung 3869).
FIGURE 5 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 5. Geographic distribution of the species of the genus Trithrinax. T. brasiliensis (green circles); T. campestris (yellow circles) and T. schizophylla (red circles).
FIGURE 3 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 3. Leaf morphology in Trithrinax. A. Leaf sheaths and petioles of T. brasiliensis var. acanthocoma, scale bar: 10 cm; B. Leaf sheaths tightly covering the stem of T. brasiliensis var. acanthocoma, scale bar: 20 cm; C. Entire leaf sheath of T. campestris, scale bar: 10 cm; D. Entire leaf blade of T. brasiliensis var. acanthocoma, scale bar: 20 cm; E. adaxial view of hastula in T. brasiliensis var. brasiliensis, scale bar: 1 cm; F–I. Different types of segment apexes: F. T. schizophylla var. schizophylla, note deeply bifid and spiny lignified apex, scale bar: 2 cm; G. T. campestris, note lignified-spiny apex, scale bar: 2 cm; H. T. brasiliensis var. brasiliensis, note deeply bifid apex, scale bar: 5 cm; I. T. brasiliensis var. acanthocoma, scale bar: 1 cm.
FIGURE 16 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 16. Geographic distribution of Trithrinax schizophylla and its two varieties T. schizophylla var. schizophylla (yellow circles) and T. schizophylla var. biflabellata (red circles).
FIGURE 1. Calamus batoensis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B in Four new species of Calamus (Arecaceae) from Vietnam
FIGURE 1. Calamus batoensis. A. Leaf sheath, with proximal pinnae oriented towards the sheath. B. Distalmost pinnae, showing cluster of pinnae with the distalmost pair oriented away from the sheath and the adjacent pair oriented at a 45º angle to the rachis. C. Pistillate inflorescence showing swollen rachis bracts and recurved rachillae. D. Fruits. (A –C from Henderson et al. 3809, D from Henderson et al. 3808).
FIGURE 13 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 13. Epitype of Copernicia campestris, Krapovickas & Vanni 39776 (CTES); barcode: CTES0000146. Credits: herbarium CTES. (1/2).
FIGURE 4 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 4. Reproductive organs in Trithrinax. A. Inflorescence structure (left hand) and longitudinal diagram of flower (right hand) of T. campestris, after Maldonado de Magnano (1973); B. Inflorescences of T. brasiliensis var. brasiliensis at full anthesis, scale bar: 20 cm; C. Inflorescence of T. brasiliensis var. brasiliensis at full anthesis, scale bar: 10 cm; D. Fragment of rachilla showing insertion of flowers at full anthesis in T. campestris, scale bar: 3 cm; E. Infructescences of T. campestris showing fruits at different developmental stages, scale bar: 10 cm; F. Ripe fruit of T. brasiliensis var. acanthocoma, scale bar: 2 cm; G. LS of ripe fruit of T. brasiliensis var. acanthocoma, note seed detached from the endocarp, scale bar: 2 cm. Credits C: K.P. Soares, D: J. Plumed.
FIGURE 1 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 1. Diversity of habits in Trithrinax. A. T. brasiliensis var. brasiliensis (Rio Grande do Sul, Brazil), scale bar: 40 cm; B. T. campestris (Córdoba, Argentina), scale bar: 60 cm; C. T. schizophylla var. biflabellata (Presidente Hayes, Paraguay), scale bar: 20 cm; D. T. schizophylla var. schizophylla (Salta, Argentina), scale bar: 70 cm.
FIGURE 12 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 12. Morphology of Trithrinax campestris. A. Habit (Santiago del Estero, Argentina), scale bar: 50 cm; B. Leaf blade, scale bar: 10 cm; C. Detail of hastula (adaxial view), scale bar: 1 cm; D. Segment apex, scale bar: 2 cm; E. Scanning electronic micrograph of anthetic flower, arrow pointing to the stigma, scale bar: 2 mm; F. Flower at full anthesis, arrow pointing to the stigma, scale bar: 2 mm; G. Infructescence showing fruits at different developmental stages, scale bar: 10 cm; H. Ripe fruit showing perianth remnants, scale bar: 1 cm I. CS of the fruit and the seed, scale bar: 1 cm; J. Seed, scale bar: 1 cm; K. LS of seed showing the homogeneous endosperm, scale bar: 1 cm.
FIGURE 8 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 8. Holotype of Trithrinax brasiliensis, F. Sellow s.n (M), barcode: M0178215. Credits: herbarium G.
FIGURE 9 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 9. Morphology of Trithrinax brasiliensis var. acanthocoma. A. Habit (Paraná, Brazil), scale bar: 70 cm; B. Leaf blade, scale bar: 20 cm; C. Detail of hastula (adaxial view), scale bar: 2 cm; D. Assymetrical segment apex, scale bar: 2 cm; E. Scanning electronic micrograph of anthetic flower, arrow pointing to the stigma, scale bar: 1 mm; F. Ripe infructescence, scale bar: 10 cm; G. Ripe fruit, scale bar: 1 cm; H. LS of a ripe fruit, scale bar: 1 cm; I. Seed, scale bar: 1 cm. Credits D: M. Faustino.
FIGURE 7 in A revision of the genus Trithrinax (Cryosophileae, Coryphoideae, Arecaceae)
FIGURE 7. Morphology of Trithrinax brasiliensis var. brasiliensis. A. Habit (Rio Grande do Sul, Brazil), scale bar: 30 cm; B. Leaf bade, scale bar: 10 cm; C. Detail of hastula (adaxial view), scale bar: 2 cm; D. Segment apex, scale bar: 10 cm; E. Inflorescence at full anthesis, scale bar: 10 cm; F. Scanning electronic micrograph of the flower, arrow pointing to the stigma, scale bar: 1 mm; G. Entire infructescence showing immature fruits, scale bar: 10 cm.
FIGURE 1. Areca unipa. A. Habit. B in A new species of betel nut palm (Areca: Arecaceae) from western New Guinea
FIGURE 1. Areca unipa. A. Habit. B. Apical portion of leaf. C. Middle and basal portion of leaf. D. Half portion of inflorescence. E. Staminate flowers on rachilla. F, G. Staminate flower whole and in section. H, I. Pistillate flower whole and in section. J. Detail of ovary and staminodal ring. K. Fruit. Scale bar: A = 75 cm; B, C = 8 cm; D = 4 cm; E, J = 7 mm; F, G = 2.5 mm; H, I = 1 cm; K = 3 cm. All from Iwanggin & Simbiak 138. Drawn by Lucy T. Smith.
FIGURE 2. Areca unipa. A in A new species of betel nut palm (Areca: Arecaceae) from western New Guinea
FIGURE 2. Areca unipa. A. Slender habit with long petioled leaves and the sigmoid multifold leaflets and broadly wedge-shaped terminal leaflets. B. Inflorescence starting to expand after the prophyll has fallen off. C. Infructescence with several young fruits. All photos were taken from the holotype specimen (Iwanggin & Simbiak 138) in the forest near Ayata Village, East Maybrat, Maybrat, West Papua, Indonesia. All photos by Marthinus P. Iwanggin.
FIGURE 11 in Sabinaria, a new genus of palms (Cryosophileae, Coryphoideae, Arecaceae) from the Colombia-Panama border
FIGURE 11. Details of flowers and fruits of Sabinaria magnifica. A, portion of a basal rachilla at the transition between pistillate and staminate flowers (bar = 7 mm); B, staminate flower (bar = 2 mm); C, staminate flower seen from above (bar = 2 mm); D, detail of filaments and anther of staminate flower (bar = 1 mm); E, detail of sepals fusing with petals (bar = 2 mm); F, detail of two free petals in a staminate flower (bar = 2 mm); G, pistillate flower with two anthers (bar = 2 mm); H, pistillate flower (bar = 2 mm); I, detail of staminodial tube (bar = 1 mm); J, gynoecium (bar = 1 mm); K, fruit (bar = 20 mm); L, M, seed (bar = 10 mm); N, seed in vertical section (bar = 10 mm). Drawn by Marcela Morales Sánchez.
FIGURE 9 in Sabinaria, a new genus of palms (Cryosophileae, Coryphoideae, Arecaceae) from the Colombia-Panama border
FIGURE 9. Detail of staminate flowers of Sabinaria FIGURE 10. Proximal rachilla of Sabinaria magnifica showing stammagnifica. Photo by Saúl Hoyos. inate flowers (above) and pistillate flowers (below).
ScienceDex guides
Understand access before you commit
These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.