棉毛點地梅檢視原始碼討論檢視歷史
棉毛點地梅 |
中文學名:棉毛點地梅 界:植物界 門:被子植物門 綱:雙子葉植物綱 目:菫菜目 科:報春花科 屬:點地梅屬 |
棉毛點地梅,全株被細柔毛。鬚根纖細。基生葉叢生,葉近圓形或卵圓形,基部微凹或呈不明顯截形,先端鈍圓,邊緣有多數三角狀鈍牙齒,葉質稍厚。
棉毛點地梅形態特徵
花葶通常數條由基部葉腋抽出,直立,傘形花序,苞片數枚,卵形至披針形,先端漸尖;花梗纖細,通常花後伸長達6厘米,開展,混生腺毛;花萼杯狀,5深裂幾達基部,裂片卵形,果期增大,長4-5毫米,呈星狀水平展開,具3-6條明顯縱脈,花冠通常白色、淡粉白色或淡紫白色,花冠筒狀,長約2毫米,筒部短於花萼,喉部黃色,裂片與花冠筒近等長或稍長,倒卵狀長圓形,長2.5-3毫米,寬1.5-2毫米,明顯超出花冠;雄蕊着生於花冠筒中部,長約1.5毫米;子房球形,花柱極短。
蒴果近球形,稍扁,直徑約3毫米,成熟後5瓣裂,白色膜質。種子小,多數,棕褐色、長圓狀多面體形,徑約0.3毫米,種皮有網紋。
花期4-5月,果期6月。
Herbs perennial. Leaf rosettes solitary or 2--4 joined by branched ascending caudicules, without sterile shoots, 1.5--4.5 cm in diam. Leaves dimorphic. Outer leaves numerous, sessile, ligulate-oblong, 0.7--1.7 cm, apex obtuse, abaxially ± white lanate, hairs 2--2.5 mm, adaxially strigillose. Inner leaves indistinctly petiolate, obovate to oblanceolate, 10--40(--60) X 5--14 mm, base narrowed, apex obtuse, with white hairs intermixed with glands, hairs 1.5--2 mm. Scapes 9--30 cm, with sparse long spreading hairs; umbels 3--11-flowered; bracts elliptic, 2--5 mm, pubescent on margin and near apex. Pedicel 1--3.5(--4) cm, glabrescent or minutely glandular. Calyx 3--4 mm, parted to 1/3; lobes ovate to broadly ovate, ciliolate, apex obtuse; veins 3. Corolla pink or purple, 8--9 mm in diam.; lobes broadly obovate, margin entire to obscurely emarginate. Fl. Jun-Jul.