Plant: |
Ploidy: |
2n=10 |
|
Growth Habit: |
tree / shrub |
|
Height: |
up to 250cm |
|
Roots: |
|
|
others: |
stems 3cm in diameter at the base, grey-black;
glabrous throughout |
|
|
|
Leaves: |
# segmentation: |
20-37(-49) leaflets |
|
others: |
lower leaves mostly biternate-pinnate or ternate-pinnate, with 20-37(-49) leaflets;
leaflets not decurrent; terminal leaflets rhomboid or orbicular,
2.4-5.5cm long, 1.5-4.8cm wide, 3-partite to the base or 3-fid, terminal lobe 3-lobed |
|
|
|
Flowers: |
Season: |
May |
|
# flowers/stem: |
solitary, terminal |
|
Bracts: |
involucrate bracts 2-5, mostly 2 or 3, unequal in size, linear-lanceolate or broad-elliptic, lobed or segmented |
|
Sepals: |
3-5 in number, green, broadly ovate or nearly orbicular, unequal in size, 1.5-2.5cm wide, all caudate at the apex |
|
Petals: |
obovate or oblong, incised at the apex,
3.5-6.5cm long, 2-4.6cm wide |
|
Flower Colour: |
rose |
|
Filaments: |
|
|
Anthers: |
|
|
Disk: |
half-leathery, pale yellow, enveloping the whole ovary at anthesis, 8-15mm high, with triangular teeth |
|
others: |
flower diameter 10-15cm |
|
|
|
Fruit: |
Season: |
late August to September |
|
# of Carpells: |
most frequently 3, less often 2, 4 or 5 |
|
Carpell: |
|
|
Style / Stigma: |
styles 1-1.3mm long
stigmas red |
|
Follicles / Ovary / Ovules: |
follicles brown or grey-brown when mature, ellipsoid, 2.2-3.5cm long, 1.2-1.6cm in diameter |
|
Seeds: |
black, glossy, broadly ellipsoid or nearly globose, 8-10mm long, 6-8mm in diameter |
|
|
|
Habitat: |
Location: |
growing in well-thickets, young secondary forests of sparse Cupressus chengiana forests, at an altitude of 1750-2700m |
|
Soil: |
on rocks |
|
Geogr. Distr.: |
confined to the Minjiang River valley of N Sichuan and Tewo County of SE Gansu, China. Tewo County in SE Gansu is a new locatity for this species. The species is narrowly distributed and disjunct between the Minjiang Valley and the Bailongjiang Valley |
|
Countries: |
China |
|
|
|
Common Names: |
|
|
|