合歡 - 紅與黃 red and yellow albizzia in summer

最近走在山邊路上以及公園,不時看到毛茸茸的花朵,有黃有紅。黃的是大葉合歡,紅的是合歡。

兩者是香港常見樹木,原生於東南亞以及華南。

兩花的形態是毛絨的,但予人感覺並非可愛,而是清麗。

these days walking along hillside and green areas, sometimes in parks, there are quite many red and yellow fluffs blossoming on tree tops, adding some tenderness and senses of romanticism to summer. both are from the pea family and mimosa genus and are natives to south-east asia and southern china.

紅的,可能讓人聯想到紅絨球那灌木,但合歡的紅花,花絲纖纖,色較淡,不似紅絨球的濃妝。

《中文百科在線》寫合歡樹寫得很美,節錄:合歡樹,花美,形似絨球,清香襲人;葉奇,日落而合,日出而開,給人以友好之象征。落葉喬木,傘形樹冠。葉互生,傘房狀花序,雄蕊花絲猶如縷狀,半白半紅,故有“馬纓花”、“絨花”之稱。 persian silk tree jun16 a

it is the persian silk tree that bores red flowers. it is said that back in ancient times, roman thought that silk products originated from this plant, thus the english common name. quoting from wikipedia, here are some characteristics of this small deciduous tree: flowers are produced throughout the summer in dense inflorescences. the individual flowers with small calyx and corolla (except the central ones), and a tight cluster of stamens 2–3 cm long, white or pink with a white base, looking like silky threads. they have been observed to be attractive to bees, butterflies and hummingbirds.  persian silk tree jun16 b

至於大葉合歡,開花時會比較喧鬧,因為花的密度高。此花跟合歡花一樣,帶香氣。大葉合歡的花更是深受昆蟲和雀鳥喜愛。

說到大葉合歡,有份特別回憶。中學在摩星嶺道。某年暑假前最後一個回校的日子,從山下沿路走回學校,和風吹來,頭上一路飄下黃色細絮,青蔥夢幻的畫面就那個早上,多年來一直未能忘懷。  lebbeck tree jul16

另一個深刻印象,就是九龍公園內幾棵老大的大葉合歡,其中一棵已經幾年前給移除了。他們好易辨認,粗厚的樹幹上披著大片大片近圓形的棕紅色如鱗片的樹皮。 lebbeck tree kln park feb15

it is easy to spot this tree in summer. busy yellow fluffy flowers on big tall tree top, very popular among bees and insects and even birds. big thick tree trunks of mature ones wear big round flaky reddish scales.

quoting from wiki the botanic description of the blossoms: inflorescence a terminal or axillar, semi-globular cluster of 15 – 40 flowers. flowers, fragrant, terminating in five triangular lobes pubescent at the apex; filaments numerous, fused at the base, predominantly white to cream in colour, tipped with pale green, and becoming dark yellow with age.  lebbeck tree flowers jul16

 

合歡 persian silk tree (albizia julibrissin) – kingdom: plantae 植物界 | (unranked): angiosperms | (unranked): eudicots | (unranked): rosids | order: fabales 豆目 | family: fabaceae 豆科 | genus: albizzia 合歡屬 | species: a. julibrissin 合歡樹

大葉合歡/闊莢合歡 lebbeck tree (albizia lebbeck) kingdom: plantae 植物界 | (unranked): angiosperms | (unranked): eudicots | (unranked): rosids | order: fabales 豆目 | family: fabaceae 豆科 | sub-family: 含羞草亞科 | tribe: ingeae 印加樹族 | genus: albizzia 合歡屬 | species: a. lebbeck 大葉合歡

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