形態特徵：常綠小喬木。葉革質，長圓形或橢圓形，長8-15厘米，寬3.5-8厘米，先端鈍圓，基部楔形，全緣或近先端有小齒，側脈不明顯；葉柄長1.5-2.5厘米。花兩性，數朵生於枝頂，花梗長1-2厘米；萼片5，橢圓狀卵形，長1厘米，無毛，宿存；花瓣5，紅色或白色，倒卵形，長6-8毫米，基部聯合；雄蕊多數；子房半下位。果卵形，長2-2.5厘米，宿萼長1-1.3厘米。(14) 海南茶梨 (海南紅楣)
Anneslea fragrans var. hainanensis
Kobuski
山茶科(Theaceae)
英文名 (English name): Hainan Anneslea
中國境內現狀：近危(NT)
Status in China: Near Threatened (NT)
形態特徵：常綠小喬木。葉革質，長圓形或橢圓形，長8-15厘米，寬3.5-8厘米，先端鈍圓，基部楔形，全緣或近先端有小齒，側脈不明顯；葉柄長1.5-2.5厘米。花兩性，數朵生於枝頂，花梗長1-2厘米；萼片5，橢圓狀卵形，長1厘米，無毛，宿存；花瓣5，紅色或白色，倒卵形，長6-8毫米，基部聯合；雄蕊多數；子房半下位。果卵形，長2-2.5厘米，宿萼長1-1.3厘米。
地理分布: 馬鞍山。海南、廣東、廣西。
生境與生態：生於溝谷林中和灌叢。花期：11-12月；果期：次年7-8月。
本種為中國特有，具有科學研究價值。香港的生長地點位於郊野公園而受到保護。可嘗試採種育苗，及作遷地保育。
Description: Evergreen small trees. Leaves
leathery, oblong or elliptic, 8-15 cm long, 3.5-8 cm wide, apex obtuse, entire
or denticulate near apex, lateral veins inconspicuous; petiole 1.5-2.5 cm long.
Flowers bisexual, several ones terminal on apex of branchlets, pedicels 1-2
cm long; sepals 5, elliptic-ovate, 1 cm long, glabrous; petals 5, red or white,
obovate, 6-8 mm long, base connate; stamens numerous; ovary semi-inferior. Fruit
ovoid, 2-2.5 cm long, persistent calyx 1-1.3 cm long.
Distribution:
Ma On Shan. Hainan, Guangdong, Guangxi.
Habitat and ecology: In ravine forests and
thickets. Flowering: Nov.-Dec.; fruiting: Jul.-Aug. of the following year.
The species is endemic to China and is thus of special botanical interests. In Hong Kong, the locality of its occurrence is within Country Park under protection. Seed collection for propagation or other ex-situ conservation measures could be explored.
參考文獻 (References):
林來官，1998：中國植物誌50(1)：180，圖版45：7-8。科學出版社，北京。