Passiflora, known also as the passion flowers or passion vines, is a genus of about 550 species of flowering plants, the type genus of the family passifloraceae.They are mostly tendril-bearing vines, ... View MorePassiflora, known also as the passion flowers or passion vines, is a genus of about 550 species of flowering plants, the type genus of the family passifloraceae.They are mostly tendril-bearing vines, with some being shrubs or trees. They can be woody or herbaceous.Passion flowers produce regular and usually showy flowers with a distinctive corona. There can be as many as eight corona. The flower is pentamerous and ripens into an indehiscent fruit with numerous seeds.The fruit ranges from 5–20 centimetres (2–8 in) long and 2.5–5 cm (1–2 in) across, depending upon the species or cultivar.
Some more pictures of the acanthus spinosus under uv light. Here are some tips for growing Acanthus spinosus:SoilAcanthus spinosus can tolerate a wide range of soils as long as they're well-drained an... View MoreSome more pictures of the acanthus spinosus under uv light. Here are some tips for growing Acanthus spinosus:SoilAcanthus spinosus can tolerate a wide range of soils as long as they're well-drained and not wet. It prefers rich, fertile soil with lots of organic matter, so you can amend the soil with compost before planting. Avoid planting in areas with standing water.LightAcanthus spinosus can grow in full sun to part shade, but it flowers best and is more compact in full sun. In hot climates, it may appreciate some afternoon shade.WaterAcanthus spinosus needs frequent watering and will wilt if it dries out.TemperatureAcanthus spinosus can survive winter temperatures as low as USDA Zone 5, but you can provide winter mulch for extra protection.PropagationYou can propagate Acanthus spinosus by taking root cuttings in early spring. The plant can also spread aggressively by creeping rootstocks, especially in loose soils. If the plant is spreading, you can cut growth away from the crown to weaken it, then smother it with cardboard, weed membranes, or black plastic.MaintenanceAfter the plant has finished blooming, you can remove the flower stalk. If large, crowded plants develop mildew due to lack of air circulation, you can cut them down and the leaves will re-sprout.
Acanthus spinosus under uv light. Also referred to as the spiny bear's tooth breech is a species of flowering plant in the family Acanthaceae, native to southern Europe, from Italy to western turkey. ... View MoreAcanthus spinosus under uv light. Also referred to as the spiny bear's tooth breech is a species of flowering plant in the family Acanthaceae, native to southern Europe, from Italy to western turkey. It is an herbaceous perennial growing to 150 cm (59 in) tall by 60–90 cm (24–35 in) wide. The deeply cut leaves have spiny margins, and in early summer it bears erect, 1 m (3 ft) long racemes of white flowers with maroon bracts.(note)that this specific species flowers glow a very beautiful blue under uv light.
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