Wavyleaf Silktassel

Wavyleaf Silktassel Plant Information


Wavyleaf Silktassel grows in the following 2 states:

Oregon, California

Garrya elliptica (coast silk-tassel, silk tassel bush or wavyleaf silktassel) is a species of flowering plant in the family Garryaceae, native to the coastal ranges of California and southern Oregon. It is an erect, bushy, evergreen shrub reaching a height of 2-5m (7-16ft).

It has a multi-furcate branching structure yielding an almost spherical form. The height averages 3m (9.8ft) in the wild. Like others of its genus, G. elliptica has opposite leaves with a tough leathery feel, glossy green on top, but paler and duller on the underside.
The dioecious flowers are concentrated in inflorescences which cascade downward as aments of 4-6cm (1.6-2.4in) in length. While it manifests separate male and female plants, the pendant male catkins are much more showy and are grey-green and up to 30cm (12in) long; the female ones are shorter and silver-grey. Although the flowers bloom in late winter and early spring, dried bracts remain on the plant well into summer as light gray decorations. The plant has smooth bark, dark-greenish when young, but roughening with age. New twigs are green and moderately stout.
For pistillate flowers, above each small bract there is a solitary flower inside the inflorescence. This plant produces tiny dark seeds. The ripened purplish black fruit of about 1cm in diameter has a hard desiccated coating, but is rather fleshy on the interior. In the case of stamenate infloresences, there are a total of four stamens per flower; moreover, above each bract pair there is a triplet of flowers. The cultivar 'James Roof' has catkins up to 30cm (12in) in length.
The unique characteristics of Garrya elliptica are its waxy convex leaves with wavy leaf margins, coupled with dense individual hairs on the leaf undersides that are scarcely distinguishable with a hand lens. Its leaf blades are six to eight centimeters in length, and has petioles which range in length from six to twelve millimeters. For identification purposes Congdon silk-tassel (Garrya congdonii) is most closely related. Congdon silk-tassel has the same leaf appearance, but leaf hairs are distinguishable with a hand lens and both leaf blades and petioles are about two thirds the size of Coast silk-tassel. Both Fremont silk-tassel (Garrya fremontii) and Ashy silk-tassel (Garrya flavescens) have similar fruit characteristics, but have a flat leaf margin.
Garrya elliptica is found in several plant communities, principally in drier coastal California and southern Oregon no more than 20 miles from the Pacific Ocean; the main associations are coastal sage and chaparral ecoregion, Northern coastal scrub, Mixed evergreen coastal forest and Northern coastal sage scrub. This plant can tolerate moderately heavy clay soils and serpentine areas, but likes soils pH to lie in the range of six to eight.
It is not grazed to a great degree by deer or rabbits, and is hardy to cold temperatures of about 15 degrees Fahrenheit. It is moderately drought tolerant, but is more luxuriant with rainfall of about 25inches per annum. Coast silk-tassel is usually found at elevations above 200 meters. This species is usually found within the mountains of the Pacific Coast range, such as Montara Mountain, San Bruno Mountain and the coast range in Napa County.
Garrya elliptica is appealing as an ornamental plant with a neat growing habit, and is widely used for landscape purposes. It is a low-maintenance plant that thrives in a range of locations, but is typically seen growing against a wall, or as a windbreak in coastal areas.Cultivars include 'Evie' and 'James Roof'.

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