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Notes on Liquidambar displayed at Floral Committee B Day
2 November 1999

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Name

Notes

L. acalycina
Boscawen; Whiteley; Windsor
Plant from Boscawen was considered to be L. styraciflua. The other two were typical. The species was introduced twice from China in the 1980s; from a Sino-American expedition and as seed from Shanghai Botanic Garden.
Windsor plant was grown from seed given by Roy Lancaster from Shanghai Botanic Garden.
Young leaves purplish bronze; colours late and holds leaves up to February. Fruits are smoother than in other species. Hardier than L. formosana and may reach 25m in wild.
L. formosana
Hilliers; Starborough. var. monticola from Windsor Hillier
A very variable species with largest leaves of genus. A very wide distribution in wild from N China along coast to Indochina. Coastal plants are tender but Wilson collected from Hupeh at Western edge of its distribution and resultant plants were hardier and given name var. monticola. No real botanical distinction between the plants although var. monticola usually has glabrous leaves whereas plants from elsewhere more usually have hairy leaves. Very little difference between all plants exhibited.
L. orientalis
Boscawen; Wisley (W 850393 and W 883075); Foster; Gammon
A variable plant that needs lots of water to produce best effects. All plants exhibited appeared to fall within this variation for the species. Typically forms a compact shrubby plant with very corky bark but in France one is known of 30m tall although 9m in Cambridge is largest known in UK. One of first to colour in autumn. Foster plant collected by Ken Ashburner in Turkey (Mediterranean coastal region).
Endangered in Turkey where it is cut for gum and plants only survive about 10 years of cutting.
Even though one Wisley plant had leaves approaching those of L. styraciflua, it was considered to be within the range of L. orientalis.
L. styraciflua
Wisley (W903140) Gammon; Foster
Colours better with more exposure as an old tree from 1930s never coloured until last two years (Boscawen)
Wisley plant from Seven Acres is about 50 years old and colours from September to November.
Plant from Foster was collected from wild in Mexico 4-6000ft and never colours in autumn
L. styraciflua 'Andrew Hewson'
Windsor; Wisley; Starborough
Very fine, well cut foliage, dark red to orange in autumn; habit often upright. (Adeline) Listed as 'Andrew Henson' by Adeline and by several Dutch sources but no further information on origin found. Boskoop have known of the plant for six to seven years but always as 'Andrew Henson'.
Andrew Hewson was once a student at Hilliers but Hilliers have no knowledge of the plant being named there. Andrew Hewson says it was not named by or for him!
L. styraciflua 'Anja'
Wisley (W965024)

Dutch cultivar.
Very long central lobe, colours purple in autumn; branches horizontal (Adeline)
Wisley plant should be redder but considered correct as still a young plant.
L. styraciflua 'Anneke'
Wisley (W965025)
Dutch cultivar. Yellow in autumn.
Autumn colours in pretty colours in all shades of yellow. (Adeline)
A good foil for others as it never turns red
L. styraciflua 'Aurea'
Wisley; Hilliers
see under 'Variegata'

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