Цветоводство, садовые цветы
Hypsophila halleyana, растения Австралии

 
Scale bar 10mm. Copyright CSIRO

 
Leaves & flowers. Copyright CSIRO

 
10th leaf stage. Copyright CSIRO

 
Cotyledon stage, epigeal germination. Copyright CSIRO

Hypsophila halleyana

Family

Celastraceae

Botanical Name

Hypsophila halleyana F.Muell.

Mueller, F.J.H. von (1887) The Victorian Naturalist 3: 168. Type: In the highest region of Mount Bellenden-Ker, 1887, descending to about 4000 feet; W. Sayer. Syn: MEL.

Synonyms

Drimys oblonga S.Moore, J. Bot. 55: 302(1917), Type: Qld, Mt Bellenden Ker, Gibbs 6319; holo: BM.

Stem

Seldom exceeding 30 cm dbh. A thin orange layer usually visible under the dead bark.

Leaves

Leafy twigs often zig-zagged, 2-winged, the wings extending from one petiole to the point of attachment of the next lower petiole. Leaf blades about 4-9 x 1.5-3 cm. Midrib raised on the upper surface. Lateral veins scarcely visible on the underside of the leaf blade of fresh leaves. Stipules aristate but visible only on very young twigs.

Flowers

Inflorescence usually one or 2-branched. Primary peduncle about 5-17(-35) mm long. Petals about 4 mm long. Disk surrounding the stamens and ovary. Ovary with 6 ovules per locule.

Fruit

Capsules about 5 cm long. Aril much wider than the seed. Seeds on elongated funicles. Seeds about 7 x 5 mm, embryo pale green, about 4.5 x 1 mm, cotyledons about 3.5 mm long, slightly wider than the radicle.

Seedlings

Cotyledons linear to oblong, about 8 x 3 mm, base cuneate with a wing from the petiole extending down the stem. First pair of leaves toothed. At the tenth leaf stage: leaf blade elliptic, apex apiculate, base cuneate, margin with 2-4 teeth on each side near the apex, midrib raised on the upper surface. Leaf decurrent with two narrow wings extending from the base of the petiole down the twig. Stipules about 1 mm long, apex aristate. Roots orange in colour.

Distribution and Ecology

Endemic to NEQ, restricted to Mt Bartle Frere and the Bellenden Ker Range. Altitudinal range from 1300-1600 m. Grows in stunted mountain rain forest on windswept ridges often among granite boulders.

NEQ

X

Shrub (woody or herbaceous, 1-6 m tall)

X

Tree

X

RFK Code

483


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