Plants of South Eastern New South Wales
Eucalyptus hypostomatica
Pokolbin box
Myrtaceae
Dry forest. Lake Burragong to Mittagong.
Tree to 40 m tall. Bark rough throughout, or rough only on the trunk and branches more than 8 cm diameter. Rough bark fibrous-flaky, ('box'), grey. Smooth bark above. Juvenile stems rounded or square in cross section, warty or smooth. Juvenile leaves opposite each other for 4 to 6 pairs then alternating up the stems, 4.5-7 cm long, 20-40 mm wide, dull, green, upper and lower surfaces different colours. Adult leaves alternating up the stems, 6-18 cm long, 10-30 mm wide, glossy to dull, green, upper and lower surfaces different colours. Flowers white, with 0 petals. Flower clusters 7-flowered, forming compound clusters at the ends of the branchlets. Mature flower buds 3–5 mm long, caps shorter than the base. Flowers Spring. Gumnuts 2-5 mm in diameter. Gumnuts that have dropped their seed have valves that are not very noticeable.
PlantNET description: http://plantnet.rbgsyd.nsw.gov.au/cgi-bin/NSWfl.pl?page=nswfl&lvl=sp&name=Eucalyptus~hypostomatica (accessed 22 January, 2021)
EUCLID description: https://apps.lucidcentral.org/euclid/text/entities/eucalyptus_hypostomatica.htm (accessed 22 January, 2021)
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