Grevillea pteridifolia (Golden Grevillea/Golden Toothbrush) – Tube stock

$15.00

Altitudinal range from near sea level to 800 m.
Usually grows in open forest but sometimes found on the margins of monsoon forest and vine thickets.

10 in stock

Category:

Description

Stem
Can grow into a tree 6-8 m tall but often flowers and fruits as a shrub 3-4 m tall.

Leaves
Oak grain in the twigs. Terminal buds and young shoots densely clothed in reddish brown prostrate hairs. Leaves could be regarded as either simple and deeply lobed or compound. Leaflets or leaf lobes about 10-21 cm long, 0.1-0.5 cm wide. Leaflets or leaf blades clothed in white or light brown hairs on the underside, margin conspicuously recurved.

Flowers
Racemes secundPerianth tube somewhat dilated towards the base. Tepals densely pubescent on the outer surface, glabrous on the inside. Hypogynous gland +/- horseshoe-shaped in outline but lobed at the apexOvary surrounded by a mass of long, pale hairs. Ovules 2 per ovary. Stigma terminal or slightly lateral.

Fruit
Fruits ovoid, laterally compressed, about 15-18 x 8-10 mm, outer surface densely clothed in pale hairs. Seeds with a marginal wing, seed + wing about 14-15 x 6-7 mm.

Seedlings
Cotyledons +/- linear, about 14-16 x 2-6 mm, margins ciliate. First pair of leaves simple, narrowly elliptic, about 35-40 x 5-6 mm. At the tenth leaf stage: leaf blade simple, margin smooth or deeply lobed, underside clothed in long, white, prostrate hairs when young. Leaves or lobes long and narrow, apex aristate, base attenuate. Terminal bud clothed in long, white, prostrate hairs. Seed germination time 26 to 51 days.

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