Pub Date : 2018-07-26DOI: 10.23823/SIBBALDIA/2018.252
P. Hutabarat, P. Wilkie
Indonesia holds a large percentage of Malesian Sapotaceae taxa with an estimated 15 genera and 158 species. Bogor Botanic Gardens currently hold 12 genera and 41 species of which 29 are native to Indonesia. This represents just under 20% of Sapotaceae species currently recorded from Indonesia. The utility of these collections is dependent on the type of data associated with them and on the quality of identification of the material. Of the 29 native species only three have had a global threat assessment made and, of these, one, Madhuca boerlageana (Burck) Baehni, is considered Critically Endangered. The regional botanic gardens initiative of the Indonesian government is establishing botanic gardens in each of the 47 ecoregions of Indonesia. This new initiative is potentially very important for in situ and ex situ conservation of the Indonesian flora. So far it has brought into cultivation 39 threatened species, however none of these are Sapotaceae. The lack of global IUCN threat data is a major impediment to the prioritisation of collection, cultivation and conservation of Sapotaceae species.
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Pub Date : 2018-07-26DOI: 10.24823/sibbaldia.2018.244
P. Ashton
The pantropical network of large tree demography plots coordinated by the Smithsonian’s Center for Tropical Forest Science has now gone global, as part of the Smithsonian Institution Global Earth Observatories. Some four million tropical trees, representing about 10,000 species, are now tagged, provisionally identified and periodically recensused. Some 3,000 species are captured in the six plots within Malesia. These include species rarely collected and many that are now endangered. Easy location of trees for periodic examination for fertile material and detailed ecological data, together with seasoned in-country research teams, provide unique opportunities for research collaboration.
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Pub Date : 2018-07-26DOI: 10.23823/SIBBALDIA/2018.253
G. Argent
Since the Royal Botanic Garden Edinburgh (RBGE) was established in 1670 as a collection of medicinal plants, taxonomy has been at its heart. Even before the publication of Linnaeus’s Species Plantarum it was important to establish the correct identity of medicinal plants for use by the doctors of the day. Over the years the location and focus of the Garden have evolved to serve many and varied functions. Taxonomy, however, has continued to play a key role in preserving the special nature of RBGE as a ‘botanic garden’. From the earliest years exotic plants were introduced to the Garden, giving it an international flavour, and this has continued with staff today collaborating with many different gardens and botanical institutions around the world. For over 300 years living plants have been brought to the Garden, grown to maturity and described. Many of the early novelties came from North America and China, especially gymnosperms and rhododendrons. Today, much of our effort is focused on plants from areas that are botanically rich but poorly known, such as the Malesian region, and on families Begoniaceae, Gesneriaceae, Ericaceae and Zingiberaceae. The expertise and ingenuity of the horticultural staff have been essential in cultivating unknown species and bringing them into flower so that they can be scientifically described. This has been aided by an enlightened policy of including horticulturists on collecting expeditions so that their knowledge can be used to bring plants back in good health but also to better understand the natural conditions in which they grow so that the plants can be grown to perfection in Edinburgh.
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Pub Date : 2018-07-26DOI: 10.24823/sibbaldia.2018.245
B. Parris
Fourteen genera and approximately 373 species of grammitid ferns (formerly Grammitidaceae, now Polypodiaceae) occur in Malesia. The Flora Malesiana account of the group is 75% complete (280 species). The genera are illustrated and briefly described. Current studies involve working through species that have long been herbarium dumping grounds containing numerous undescribed species, such as Calymmodon cucullatus (Nees & Blume) C.Presl, Prosaptia contigua (G.Forst.) C.Presl, Radiogrammitis hirtella (Blume) Parris (as Grammitis hirtella) and Tomophyllum subfalcatum (Blume) Parris (as Ctenopteris subfalcata).
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