Plants of South Eastern New South Wales

Eucalyptus mackintii

Line drawings. b. juvenile (right) and adult (left) leaves; buds and gumnuts. KR Thiele, Australian National Herbarium, © 2021 Royal Botanic Gardens Board, Melbourne, Vic

Common name

Blue-crowned Stringybark, Orbost stringybark

Family

Myrtaceae

Where found

Forest. Ranges SE of Delegate. Kosciuszko National Park.

Notes

Tree to 30 m tall. Bark rough on all but the smallest branches, stringy, grey to red-brown. Juvenile stems rounded in cross section, rough at first. Juvenile leaves opposite each other for 3 to 5 pairs then alternating up the stems, 4.5-15 cm long, 35–90 mm wide, dull, green to blue-green, rough for 9 to 11 nodes. Adult leaves alternating up the stems, 8.5–23 cm long, 17–55 mm wide, slightly glossy or dull, blue-green to olive-green or green. Crown bluish-green. Flowers white, with 0 petals. Mature flower buds 7–14 mm long, caps conical. Flowers June. Flower clusters 7–11-flowered. Gumnuts 9–13 mm in diameter. Gumnuts that have dropped their seed have valves that are not very noticeable or slightly protruding.

Rare Vic.

VICFLORA description: https://vicflora.rbg.vic.gov.au/flora/taxon/98a3b50d-c058-435c-99cf-1197869280f8 (accessed 22 January, 2021)

EUCLID description:  https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_mackintii.htm  (accessed 22 January, 2021)