討論:埔姜桑寄生

山羊百科,林文智老師的植物、山岳、攝影紀錄

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9. Taxillus theifer (Hayata) H. S. Kiu 埔姜桑寄生

Leaves subopposite, coriaceous, ovate to obovate-oblong, 4.5-5 cm long, 2-2.5 cm borad; apex obtuse to rounded, base cuneate; petioles 3 mm long. Flowers in dense pedunculate or sessile fascicles; bracts triangular, 1.6 mm long, 1 mm broad; calyx tube 2 mm long; corolla tube 2 mm long, thinly pubescent outside; anthers 4 mm long; style filiform.

Endemic. Parasitic on Acer kawakamii Koidz., Aleurites fordii Hemsl., Aphananthe aspera Planch., Pistacia chinensis Bunge, Pyrus serotina Rehder, Prunus mume Sieb. & Zucc., Sapindus mukorossi Gaertn. And Vitex negundo L. throughout the island at 500-800 m. TAICHUNG: Takeng, Chen et al. 8507. NANTOU: Huisun, Chiu 2634; Huanghsiang, Chiu 3244. CHIAYI: Tefuyeh, Chiu 3114. KAOHSIUNG: Tengchih, Liao et al. 9370. PINGTUNG: Paoli, Ou et al. 9397; Mutanwan, Kudo & Mori 2539; Suchungchi, Sasaki 8671 (Isotype of Loranthus theifer Hayata, TAIF), Hurukawa 8672, Morimoto 790. HUALIEN: Wenshan, Huang & Huang 9878.

The outstanding characteristic of this species is in the rounded apex of the leaves.

披针裂片组 Sect. Lancilobi H. S. Kiu

台湾钝果寄生 Taxillus theifer (Hayata) H. S. Kiu

灌木,高约1米;芽密被灰褐色短星状毛,小枝和成长叶均无毛,小枝灰色,具皮孔。叶近对生,薄革质,椭圆形或倒卵状长圆形,长4-5厘米,宽1.1-2厘米,顶端圆钝,基部契形;侧脉3-4对,略明显;叶柄长3-5毫米。伞形花序,2-3个腋生或生于小枝已落叶腋部,具花3-5朵,花序和花均被星状毛,稍后毛变稀疏,总花梗长3-4毫米;花梗长2.5-3毫米;苞片阔三角形,长约1毫米;花托椭圆状,长约2毫米;副萼环状,具4齿;花冠花蕾时管状,长1.7-2厘米,稍弯,下半部稍膨胀,顶部椭圆状,裂片4枚,披针形,长约7毫米,反折;花丝长1.5-2毫米,花药长2.5-3毫米;花柱线状,柱头头状。果椭圆状,长7-8毫米,直径3.5-4毫米,两端钝圆,果皮具小瘤体。花果期11月至翌年2月。

产于台湾南部。海拔500-800米山地常绿阔叶林中,寄生于黄荆等植物上。模式标本采自台湾屏东。

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