Rhododendron agastum Balf. f. & W. W. Sm.

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Rhododendron agastum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-agastum/). Accessed 2020-10-29.

Genus

Other species in genus

Glossary

calyx
(pl. calyces) Outer whorl of the perianth. Composed of several sepals.
corolla
The inner whorl of the perianth. Composed of free or united petals often showy.
ovary
Lowest part of the carpel containing the ovules; later developing into the fruit.
apex
(pl. apices) Tip. apical At the apex.
campanulate
Bell-shaped.
discoid
Flat and circular.
glabrous
Lacking hairs smooth. glabrescent Becoming hairless.
glandular
Bearing glands.
obtuse
Blunt.
petiole
Leaf stalk.
stigma
(in a flower) The part of the carpel that receives pollen and on which it germinates. May be at the tip of a short or long style or may be reduced to a stigmatic surface at the apex of the ovary.
style
Generally an elongated structure arising from the ovary bearing the stigma at its tip.

References

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Credits

Article from Bean's Trees and Shrubs Hardy in the British Isles

Recommended citation
'Rhododendron agastum' from the website Trees and Shrubs Online (treesandshrubsonline.org/articles/rhododendron/rhododendron-agastum/). Accessed 2020-10-29.

An evergreen shrub or small tree up to 20 ft high; young shoots thinly floccose and sticky with small glands. Leaves oblong or oblong-elliptic, rounded to obtuse or subacute and mucronate at the apex, up to 6 in. long and 2 in. wide, glabrous above, clad beneath with a more or less persistent film-like coating of hairs; petiole about 1 in. long. Flowers up to twenty or so in a terminal truss on pedicels about 78 in. long, opening in early spring, sometimes as early as February. Calyx minute. Corolla tubular-campanulate, about 134 in. long, 2 in. across, five- to seven-lobed, rose-coloured or white tinged with pink, speckled and blotched with crimson (sometimes unspotted). Stamens ten to fourteen, downy at the base. Ovary glandular; style stout, partly or wholly glandular, with a large discoid stigma. Bot. Mag., t. 9577. (s. and ss. Irroratum)

Native of mid-Yunnan at comparatively low altitudes; discovered by Forrest in 1913 and 1914 near the border between Yunnan and Burma, north-west of Tengyueh, and above the Yangpi valley, south-west of the Tali range. The date of introduction is uncertain, but the truss depicted in the Botanical Magazine is from a plant that flowered in E. J. P. Magor’s garden at Lamellen, Cornwall, in April 1929. The true species appears to be very rare in cultivation.

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