| 词条 | Hippeastrum petiolatum |
| 释义 |
(Pax) Traub & Uphof[2]}}Hippeastrum petiolatum (Azucena de Río) is a flowering perennial herbaceous bulbous plant, in the Amaryllidaceae family, distributed from Paraguay to Uruguay and Argentina.[1] DescriptionHippeastrum petiolatum grows to a height of 30–40 cm. Leaves are lanceolate, and dark green, forming a basal rosette around 60 cm in diameter. They grow to a length of 20–50 cm. There are up to three scapes per bulb. The paraperigonium consists of minute scales at the throat of the tepal tube, whose segments are unequal and ruffled and 1–2 cm broad at the middle and 15 cm long. Perigone 6–7 cm. The showy flowers are 10 cm in diameter, scarlet-red with purple veins, greenish-yellow in the throat and usually 3-4 in number but may be 5 rarely. Stigma trifid. Bulbs large (10 to 15 cm in diameter).[3][4]TaxonomyDescribed by Ferdinand Albin Pax in 1889.[1] Heterotypic Synonyms
CultivationFull sun to part shade, moist but well drained soil, or pots. Leaves may persist all year under optimum conditions. Reproduction is solely by lateral bulbils, and bears no fruit.[4] EcologySpring flowering.[4] UsesCut flowers.[4] References1. ^1 2 Royal Botanic Gardens, Kew: Hippeastrum'>petiolatum. 2. ^Herbertia 5: 126 (1938) 3. ^Pacific Bulb Society: Hippeastrum petiolatum 4. ^1 2 3 Verdesencia: AZUCENA DE RÍO. January 18, 2010 (image) Sources
3 : Flora of South America|Hippeastrum|Garden plants of South America |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。