土沉香果 fruit of agar wood [速寫 sketch]

五月初遇著土沉香開花。上星期剛巧路過同一地點,發現疏落的果蹤影,大概已到果期之末。

其果真如描述:蒴果木質,倒卵形,成熟時裂成兩片扁平的果殼。果實破開時,底部會長出一條絲線,把種子(一粒或兩粒)吊在半空,近似毛蟲吐絲挂树相似。此特徵是否具有生物學上的意義,仍有待研究。中國珍稀瀕危植物土沉香在香港的現況 (2005年4月15日)《香港植物標本室》

agar wood fruit

i posted on agar wood blossoms back in may. last week i went to the same area where the trees are at and found a few fruits.i guess it has passed the prime fruiting time, therefore the small number of fruit.

it is still fascinating to find the fruit fits the exact description:  “the fruit is a woody obovoid capsule with an outer covering of short grey hairs, 2.5 to 3 cm long, opening in two flat valves when ripen. when the fruit is open, a silky thread from the base of the fruit holds the single seed (or two) in the air.” wiki

agar wood fruit details

土沉香 agarwood (aquilaria sinensis) – kingdom: plantae | (unranked): angiosperms | (unranked): eudicots | (unranked): rosids | order: malvales 錦葵目| family: thymelaeaceae 瑞香科| genus: aquilaria 沉香屬| species: a. sinensis 牙香樹  wiki

NOTE: 易危物種 vulnerable species (vu)

土沉香前文 previous posts on agarwood :《土沉香 agarwood (aquilaria sinensis)》《土沉香 incense tree [速寫 sketch]

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