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Hashtag
#asparagaceae
Advertisement ยท 728 ร 90
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Ruscus aculeatus L.
#botany #Asparagaceae #plantsci #Lankester #PlantBlindnesss #PlantAwareness #angiosperms #biodiversity #nature #science
@universidadoviedo.bsky.social
@uodivulga.bsky.social
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Close-up photo of small black seeds. Some seeds are cut in longitudinal section and show the ruminate endosperm and the long, thin embryo that occupies the length of the seed. Other seeds are cut in transverse section to show the ruminations and embryo. Photo by Scott Zona CC BY-NC 2.0.
Endosperm condition (homogeneous vs. ruminate) can vary within a genus. The seeds of Yucca aloifolia are clearly ruminate, but many other species of Yucca lack rumination & are homogeneous. #Asparagaceae #seed #endosperm #ruminate #Botany ๐พ๐งช๐ฑ
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#NewSpecies!
Polygonatum dabieshanensis
A newly discovered #asparagaceae from #china!
Treatment: treatment.plazi.org/id/D484BDD6-...
Publication: doi.org/10.3897/phyt...
#PhytoKeys #PolygonatumDabieshanensis
#FAIRdata
#ecology #taxonomy #nature #biodiversity #conservation #botany #flowers #plants
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Maianthemum bifolium (L.) F.W.Schmidt
#maianthemumbifolium #false_lily_of_the_valley #may_lily #Asparagaceae #flower #wildflower #whiteflower #forest_floor #flowerphotography #nature #naturephotography #naturelover #plants #botany
2020/06/19
@Bergen
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Zagrosia persica (Hausskn.) Speta
Syn: Scilla persica
Asparagaceae
Iran
April 2025
Elevation 1800m
#scilla #Asparagaceae
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A species of #Heteropolygonatum #Asparagaceae from #Myanmar and western Yunnan #Gaoligongshan is described as new to science by botanists from @mobotgarden.bsky.social and @thebotanics.bsky.social in #EJBotany #OpenAcess: bit.ly/46IqSMs
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Photo of a single erect stem bearing elliptical, petiolate leaves, which are variegated with transverse silvery stripes. Photo by Scott Zona CCBYNC2.
This is Dracaena goldieana, a species from tropical Africa. Itโs easy to see why this species is a popular ornamental plant. That foliar variegation is outstanding! #Asparagaceae #TropicalBotany #Botany ๐พ๐งช๐ฑ
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Photo of the foliage of this species. The leaves are broadly elliptical and have a scattering of white freckles. A hand holds an infructescence with orange berries. Photo by Scott Zona CCBYNC2.
Fruits of #Dracaena are berries: fleshy, colorful fruits with several seeds. These are surely consumed by animals, who disperse the seeds & likely account for the wide distribution of the genus. These fruits are D. surculosa, a species grown for its spotted foliage. #Asparagaceae #Botany ๐พ๐งช๐ฑ
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Photo of a plant with thick, variegated leaves with wavy margins. A single inflorescence rises above the foliage with an umbel of white, tubular flowers. Photo by Scott Zona CCBYNC2.
Close-up photo of the flowers. They are tubular, white, and have exserted stamens. Photo by Scott Zona CCBYNC2.
Dracaena has at least 3 kinds of inflorescences. Some have unbranched racemes, others have branched racemes, & another group, like this D. pethera (Sansevieria kirkii), has dense umbels. The flowers open at night, have a sweet fragrance & are moth-pollinated. #Dracaena #Asparagaceae #Botany ๐พ๐งช๐ฑ
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Photo of a single, multi-stemmed Dracaena growing in a sparsely vegetated, grassy, open habitat.
Dracaena has a handful of species endemic to the Hawaiian Islands. They are likely descendants of a single introduction via long-distance dispersal from Asia. This is D. konaensis ๐ท: Grigory Heaton CCBYNC4. #Dracaena #Asparagaceae #TropicalBotany #Botany ๐พ๐งช๐ฑ
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Photo of a single, multi-stemmed Dracaena growing in reddish soil and sparsely surrounded by shrubby plants. Photo by Scott Zona CCBYNC2.
This is Dracaena cubensis, endemic to Cuba, & 1 of just 2 spp of Dracaena native to the Americas (the other is D. americana of C. America). It is a xeromorphic species restricted to ultramafic soils in the eastern part of the island. #Dracaena #Asparagaceae #TropicalBotany #Botany ๐พ๐งช๐ฑ
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Close-up photo of the base of a dried leaf. The leaf base is red (the rest of the leaf is brown). A Dracaena tree is out of focus in the background. Photo by Scott Zona CCBYNC2.
Like its cousin from Socotra, Dracaena draco produces a red resin that was sold as the dried blood of a dragon. Plenty were phlebotomized to meet the demand for this potent nostrum. You can see the color of dragonโs blood in this old leafbase. #Dracaena #Asparagaceae #Botany ๐พ๐งช๐ฑ
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Photo of a colorful street scene dominated by a single, large, umbrella-shaped Dracaena tree. Photo by Scott Zona CCBYNC2.
Dracaena draco, the dragon tree, is found in the Canary Islands & itโs another pretty famous dracaena. You can even see it growing as a street tree in La Laguna, Tenerife. Spectacular! #Dracaena #Asparagaceae #Botany ๐พ๐งช๐ฑ
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Photo of a shrubby landscape dominated by umbrella-shaped Dracaena trees. Rugged mountains are in the foggy background.
One of the most famous Dracaena spp is D. cinnabari, the dragonโs blood tree, endemic to Socotra, a tiny island off the Horn of Africa. The species epithet & common name refer to the red resin. ๐ท: James Bailey CCBYNC4. #Dracaena #Asparagaceae #Botany ๐พ๐งช๐ฑ
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Photo of a group of diverse species and cultivars of Dracaena in decorative pots. Photo by Scott Zona CCBYNC2.
Photo of a group of diverse species and cultivars of Dracaena in decorative pots. Photo by Scott Zona CCBYNC2.
Dracaena includes plants formerly placed in Sansevieria & Pleomele. Itโs popular in cultivation, & Iโm not the only one who has a collection of various species & cultivars. The genus is widespread but most species-rich in Africa. #Dracaena #Asparagaceae #TropicalBotany #Botany ๐พ๐งช๐ฑ
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Drimia/Squilla coming in to flower in Gozo. It amazes me how plants can invest such energy into flowering in the peak dry season. #geophyte #Asparagaceae #Bulb
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Some racemes of Barnardia japonica (Japanese jacinth), a bulbous plant lives in eastern asia. They have many small pink flowers. At Fukuoka prefecture in Japan, September 2016.
Close-up of the flowers. Each flower has 6 petals. Their stamens are relatively large and in almost the same length as the petals.
The flowerbuds.
ใใซใ(ใญใธใซใฏใท็ง)ใใใใใ่ฏใใใชใฎใงใฉใใใฎใๅบญใใ้ใๅบใใๅ่ธๅ็จฎใใช๏ผใใจๆใฃใฆใใใฉใๅจๆฅ็จฎใใใใ
ใใใๆฎๅฝฑใใใซใกใฉใฏ็ท่ฒใใใใใใผใใซๅใใใ ใใฉใๅซใใใใชใใ
็ฆๅฒก็ใซใฆใ2016ๅนด9ๆๆฎๅฝฑใ
#flower #scilla #Asparagaceae #่ช็ถ่ฆณๅฏ #้่ #CC0
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A collage of two photos. The left panel shows two agaves producing massive, terminal inflorescences with dense white flowers. The tip of the inflorescence is limp and arching. The right panel shows another agave with a similar inflorescence of white flowers. Photos by Scott Zona CCBYNC2
Agaves are known for their big bang reproduction: They grow for several years, flower spectacularly & die. Most botanists say that agaves that make vegetative offsets are not truly monocarpic. One rosette dies, but the plant survives. ๐ท: Agave attenuata. #Asparagaceae #monocarpy #Botany ๐พ๐งช๐ฑ
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Four images of Bellevalia specimens. AโB: B. shiraziana in rocky habitat in southern Iran, showing low rosettes with fruiting scapes. C: Herbarium specimen of B. shiraziana (holotype). D: Herbarium specimen of B. decolorans (holotype) showing bulb and scape.
The systematics of #Bellevalia remain a challengeโbut step by step, weโre making progress!
๐ฌ Together with colleagues from Iran ๐ฎ๐ท, we revisited a puzzling species pair using morphology, fieldwork & molecular tools.
๐ doi.org/10.11646/phy...
#Scilloideae #Asparagaceae #FloraOfIran
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Photo of a group of grape hyacinth inflorescences. The racemes have proximal clusters of pendulous, urn-shaped, fertile flowers. The distal tips of the inflorescences bear malformed, underdeveloped, sterile flowers.
Experimental evidence for the sterile flowers on the top of the Muscari armeniacum (๐ท: Andreas Rockstein CCBYSA2) suggests that they are not an extra attractant to the flowers. Instead, they may simply be vestigial flowers that donโt develop fully. #Asparagaceae #pollination #Botany ๐พ๐งช๐ฑ
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Close-up of a raceme of small, brownish flowers. The distal tip of the inflorescence has colorful, purple, sterile flowers.
This is Muscari comosum (๐ท: Jean-Marc Linder CCBYNC2). Fertile flowers are not showy, but the purple tuft of sterile flowers certainly is. The tuft ups the attractiveness without promoting geitonogamy (flowers in the same inflor. pollinating one another). #Asparagaceae #pollination #Botany ๐พ๐งช๐ฑ
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Photo of an agave rosette. The leaves are flattened and sword-like with stout terminal spines and marginal teeth. The leaves appear silvery blue because of the wax on their surfaces. Photo by Scott Zona CC BY-NC 2.0.
Leaves, even sword leaves, can be liabilities in harsh climates. They lose water too easily and overheat. In (evolutionary) response, some plants coat their leaves with thick, fuzzy hairs or reflective, water-tight wax. This is Agave potatorum of Mexico. #Asparagaceae #defense #Botany ๐พ๐งช๐ฑ
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Photo of an agave with smooth-margined leaves producing a central stalk (inflorescence). The stalk is covered by greenish bracts with tapered and elongated tips. Photo by Scott Zona CC BY-NC 2.0.
Close-up photo of the bracts, which have distinctive, long, whip-like apices. Photo by Scott Zona CC BY-NC 2.0.
Bracts are modified leaves, so they arenโt the same shape/size as leaves but can still be photosynthetic. The bracts of Agave bracteosa (so named because it is so bract-y) subtend the flowers on the inflorescence. They have long-extended (caudate) tips. #Asparagaceae #bracts #Botany ๐พ๐งช๐ฑ
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Maianthemum paniculatum grows in montane forests from Mexico to Panama. It bears white or pinkish flowers in large panicles and bright red fruits. Though usually terrestrial, it can be epiphytic, and may reach up to 2 meters tall.
#Maianthemum #Asparagaceae #Guatemala #cloudforest #flowers #botany
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Long spikey green leaves surround a spike of white white bell like flowers
#Yucca aloifolia growing as a #StreetTree in Bondi Beach
#Asparagaceae
#sydney #gardening #tree #trees #BloomScrolling #UrbanGarden #UrbanPlanting ๐ฑ
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