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Trees of Western Australia Journal of the Department of Agriculture, Western Australia, Series 4 Volume 7 Number 4 1966 Article 10 1-1-1966 Trees of Western Australia Charles Austin Gardner Follow this and additional works at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4 Part of the Forest Biology Commons, and the Other Plant Sciences Commons Recommended Citation Gardner, Charles Austin (1966) "Trees of Western Australia," Journal of the Department of Agriculture, Western Australia, Series 4: Vol. 7 : No. 4 , Article 10. Available at: https://researchlibrary.agric.wa.gov.au/journal_agriculture4/vol7/iss4/10 This article is brought to you for free and open access by Research Library. It has been accepted for inclusion in Journal of the Department of Agriculture, Western Australia, Series 4 by an authorized administrator of Research Library. For more information, please contact [email protected]. EUCALYPTUS KONDININENSIS. MAIDEN and BLAKELY A, branchlet with leaves and flower-buds; B, flower bud; C, fruits; D, fruits; E, longitudinal section of fruit. B, D and E, much enlarged Kondinin, Gardner 15002 2nd May, 19cV* 180 Journal of Agriculture, Vol 7 No 4 1966 TREES OF WESTERN AUSTRALIA By C. A. GARDNER No. 105 THE KONDININ BLACKBUTT Eucalyptus kondininensis Maiden and Blakely THIS tree, originally discovered by the writer in July 1923, was described in 1925. At the time it was known only from a small area immediately to the east of the Kondinin town in a shallow depression in the clay flat which more or less surrounds the townsite. Later on it was collected at Pingrup and the trunk is almost black in colour and Lake Grace, in both places being found on more deeply fissured, the crown usually the flats surrounding the salt lakes, and more heavily branched, the leaves more still more recently it has been traced to lustrous and of a dark green, and the Lake Varley, and a somewhat distinct form branches (at least in their upper parts) has been collected close to Fraser Range. darker and more or less green in colour. These facts make the recognised ver­ When grown in places where there is room nacular name somewhat meaningless, for the tree enjoys a wide area of distribution, for lateral development, the tree is both out is always associated with salt, and the attractive and widely umbrageous. It fact that it is frequently found on the attains a height of 60 to 70 feet, and the ringes of the salt lakes would indicate trunk a diameter of nearly two feet. It is i hat it would be a most valuable tree for commonly found in a sandy loam with he reclamation of salt lands. In fact, nodular limestone. ilthough it shares this peculiarity with Although somewhat resembling a morrel, Eucalyptus Sargentii, E. eremophila, and this tree is more closely related to a num­ Eucalyptus spathulata, it does not, like ber of the Eastern Goldfields blackbutts, hese species, show any signs of dying as and bears some resemblance to E. striati- the salt increases as the land is cleared. calyx, illustrated in this issue, although I would regard it as the most salt tolerant very different in general appearance. Western Australian species of the genus Specific characteristics which serve for the Eucalyptus, but there are indications that recognition of the tree are the stalkless the species is slow in growth. buds and fruits, the included valves of the The tree is much like the common fruiting capsule, and the ovoid shortly morrel in general aspect, but the bark of and broadly beaked operculum. 181 Journal of Agriculture, Vol 7 No 4 1966 EUCALYPTUS STRIATICALYX, W. V. FITZG. A, branchlet with leaves and flower buds; B, flower bud; C, fruits; D, fruit. B and D, much enlarged Near Big Bell Mine, westwards from Cue. Gardner 13369 August, 1961 182 Journal of Agriculture, Vol 7 No 4 1966 No. 106 EUCALYPTUS STRIATICALYX w. v. Pitzg. IN September 1903, Mr. W. V. Fitzgerald collected and described a tree growing at Milly's Soak in the Cue district, which was known locally as "York Gum," but to which it bears no affinity. "Milly's Soak" is no longer known to the local inhabitants, but I visited the place in 1920, and remember it as a depression about four or six miles westwards from the Cue townsite. The locality is not far removed from Big Bell, from which locality the specimens illustrated here were collected. The name is unfortunate, since the and occurs often in fairly large numbers calyx (hypanthium) is not, or only barely in certain areas, as for example at striate, but on the other hand the oper­ Nannine, and at Mount Magnet. culum is conspicuously striate or ribbed, A comparison with the illustration of the number of ribs varying from about 10 this species and that of Eucalyptus to 15. The trees from other localities, kondininensis will show many points of now rarely seen since they have been similarity, but in E. striaticalyx the flower- mainly cut down for mining timber, have buds are larger, and distinctly stalked, a stout trunk, up to eighteen inches in and the leaves a dark lustrous green. The diameter, and covered totally or partially degree of ribbing and striation of flower- by a dark grey fibrous rough bark, whilst buds, and to a less extent in the fruits, the branches are smooth with a pale is a characteristic which is dependent orange-yellow or yellowish-white bark, largely on the maturity of the organs, and decorticating in long strips. The timber the condition of the specimen when is hard, dark brown and has an inter­ described. They are more conspicuously locked grain. The tree makes its appear­ developed when the buds and fruits are ance again to the north, where it grows dry. For example, Blakely places E. striati­ on the sand hills near Lake Annian near calyx and E. kondininensis amongst those tannine, but here the trees are more species in which the buds and fruits are lender, and the bark smooth except for striate, whilst Eucalyptus platycorys (illu­ a short dark-coloured rough bark for a strated in the next plate) is described as hort distance above the ground. having "coarsely striate, ribbed or cor­ We meet the tree once more on the rugated" buds and fruits. A glance at the watercourse northwards from, and close to accompanying illustrations will reveal Mount Magnet, growing on the loamy soil how unsatisfactory this distinction is, of the banks of the creek. The three since E. platycorys, illustrated shortly lorms exhibit differences in stature and after collection, is practically smooth. ature of the bark, but in all of them we E. striaticalyx is fairly salt tolerant, but nave the same pendulous grey leaves. not to the same extent as E. kondininensis, The tree rarely exceeds 30 feet in height, which is often found in highly salt soils. No. 107 EUCALYPTUS PLATYCORYS Maiden and Blakely THIS species was first collected by Dr. Alexander Morrison early in the century at Boor- abbin, a few miles westwards from Coolgardie. It was named in 1929, from a fragment in the Sydney Herbarium, and a portion of Morrison's original collection is in the State Herbarium in Perth. It is not desirable to give locality names wards to Merredin. Similarly E. ourracop- to plants unless their range is fully under­ pinensis is found northwards to Warra- wood. Such names can be very misleading. lackin, and southwards to near Hyden, For example, E. comitae-vallis, is not con­ and is also very common in the Yorkrakine fined to Comet Vale; in fact Comet Vale district northwards from Tammin; E. is at the eastern extremity of the extensive eooanoensis is much more common at range of this species which extends west- Wongan Hills and Comet Vale than it is 183 Journal of Agriculture, Vol 7 No 4 1966 CA. GARDNER i9e« EUCALYPTUS PLATYCORYS, MAIDEN and BLAKELY A, branchlet with leaves and flower-buds; B, the same; C, flower-bud; D, flower-bud in longitudinal section; E, fruits, F, the same (enlarged); G, fruit in longitudinal section 184 Journal of Agriculture, Vol 7 No 4 1966 in the Mingenew district (Ebbano soak is The Boorabbin plants rarely exceed southwards from Mingenew). Many other seven or eight feet in height, are densely similar cases could be discussed, but the branched, and well foliaged. The leaves above illustrate the undesirability of such are rather thick, a deep lustrous green and names. usually hooked at their extremities. The flowers are either solitary, in pairs, or Eucalyptus platycorys is a small mallee more commonly in groups of three on short occurring rather commonly at Boorabbin, peduncles and pedicles, and the operculum whence it extends as a mallee through the is much broader than the calyx, smooth vicinity of Victoria Rocks in a more or less when fresh, but becoming longitudinally southerly direction to Norseman, where it wrinkled (but not corrugated) when dry. occurs near the lake as a tree of 25 feet The specific epithet is derived from two in stature. This and the two preceding Greek words—platys, flat; and korys, a species are therefore plants which can helmet, in reference to the flat (or thrive in saline soil. relatively flat) operculum. No. 108 EUCALYPTUS CUPULARI c A- G™<^- THIS recently described species was collected in 1951 close to Hall's Creek, growing on a schistose hill but confined to the westward slopes. It is a white-barked tree 25-30 feet tall, the bark being smooth except near the base where it is somewhat furrowed. The leaves are long and narrow mostly The tree is apparently rare, having been about six inches long, rather thick, the observed only on the particular hill in same colour on both surfaces, somewhat question, and local residents are asked to lustrous, and tapering into an acute or obtain, if possible, further specimens for long fine point.
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