討論:桑寄生屬
山羊百科,林文智老師的植物、山岳、攝影紀錄
2. LORANTHUS Jacq. 桑寄生屬(榿寄生屬)
Parasitic shrubs, sometimes dioecious. Leaves opposite, simple, entire, often short-penninerved. Flowers bisexual or unisexual, in spikes, adnate to peduncles, bracteoles absent; outer perianth limb short truncate or 4-6 dentate; inner perianth segments 4-6, free, patent, spreading, brightly colored; stamens 4-6 inserted on perianth, anthers basifixed, 2-4-celled, cells parallel, longitudinally dehiscing; pistil 1, rudimentary in male flowers, ovary inferior, stigma obtuse or capitate; disc wanting; rudimentary stamens present in female flowers. Fruit a 1-seeded drupe. About six species, Europe to eastern Asia; two species in Taiwan.
KEY TO SPECIES
1. Leaves oblong, flowers unisexual, plant dioecious; perianth 2-3 mm long; anthers 4-celled… 1. L. delavayi
1. Leaves elliptical, flowers bisexual; perianth 3.5-5 mm long; anthers 2-celled… 2. L. kaoi
1 穗狀花序生於一年生小枝的頂部,花兩性。
2 葉片長2.5-5釐米;花6(-5)數。
3 花托橢圓狀,長1.5毫米,花瓣長1.5-2毫米;果球形。 北桑寄生 Loranthus tanakae Franch. et Sav.
3 花托卵球形,長1毫米,花瓣長3-4毫米;果卵球形。 南桑寄生 Loranthus guizhouensis H. S. Kiu
2 葉片長5.5-7釐米,花5數,花托橢圓狀,長1.5-2毫米,花瓣長3毫米。 吉隆桑寄生 Loranthus lambertianus Schult.
1 穗狀花序腋生,花兩性或單性,6數。
4 花兩性,花瓣長約2.5毫米。
5 花葯4室(2大、2小),果近球形;寄生於殼鬥科植物上。 華中桑寄生 Loranthus pseudoodoratus Lingelsh.
5 花葯2室,果長橢圓狀;寄生於桑寄生科植物上。 台中桑寄生 Loranthus kaoi (J. M. Chao) H. S. Kiu
4 花單性,雌雄異株;雄花的花瓣長4-5毫米,雌花的花瓣長2.5-3毫米;果橢圓狀或卵球形。 椆樹桑寄生 Loranthus delavayi Van Tiegh.