天南星科
學名:Philodendron 'Rojo Congo'
英名:Congo Red Philodendron、Rojo Congo Philodendron
蔓綠絨屬常綠草質藤本,園藝栽培種,是剛果蔓綠絨的紅葉品種。莖會長出氣根,藉此攀附。市售植株皆是莖部尚短小的幼株,若栽培日久莖會逐漸延伸,顯露出藤本的習性。互生長橢圓至寬披針形葉,新葉與主肋帶紅色,葉片紅褐色或墨綠色,葉背紅或褐紅色,葉面光滑。雌雄異花。佛燄苞淺紅色,背面深紅色。肉穗花序白色棒狀。
An evergreen vine in the genus Philodendron. A hybrid with red foliage. The stem produces aerial roots to climb. They are sold in seedlings with short stems which extend gradually with time and reveal the nature of a climber. Leaves tufted or alternate, narrow heart-shaped, new leaves and midribs reddish, maturing to red-brown or dark green, red or maroon below, surface smooth. Monoecious. Spathe pale red and crimson on the back. Spadix white and rod-shaped.
喜半日照溫暖潮濕環境,耐陰性強。生長適溫為20~30℃。不耐寒,若溫度低於10℃就會出現葉色泛黃、葉面扭曲等現象,因此越冬溫度以保持在15℃以上為宜。適宜在富含腐植質排水良好的砂質壤土中生長。以分株、扦插或壓條繁殖。
It grows in partial sun, warm and humid environments, strong shade tolerance. Best grown between 20-30℃, not winter hardy, the leaves may turn yellow and twist if the temperature is lower than 10℃, advised to keep the surroundings above 15 ℃ in winter. It grows well in humic and well-drained sandy loam. Propagated by ramets, cuttings, or layering.
幼株葉片開展,常作遮蔭環境或室內造景使用;或種於室內大型盆栽,應用於室內綠化與送禮用。切葉可供插花利用。
The plants produce spreading leaves when young so they suitably planted in shades and for indoor landscaping; or planted in large containers for indoor greening or gift-giving. The leaf cuttings are often used as flower arranging material.