Abstract
<p><em>Bulbophyllum ovalifolium</em> (Blume) Lindl., an epiphyte orchid species was collected from several region in Bali and maintained in “Eka Karya” Bali Botanic Garden. The orchid is a common and widespread species in Southeast Asia, thus makes the flower has high variability. Here a study through morphological characters on the flower was done to give more information and understandable of characteristic range. The species was found at altitude range 700 to 2000 m a.s.l., the morphological observation was conducted on 2014 to 2015 particularly in the flowering season. There were three variants of flower based on the differences on size, colour, and the lip. The character on lip surface was found as spot character with three types of surface: coarsely verrucose, scattered verrucose, and glabrous.</p><div><p class="Els-keywords"><strong>Keywords:</strong> Bali; Bulbophyllum ovalifolium; morphological variation; orchidaceae; orchidi.</p></div>
Highlights
Orchidaceae known as one of the largest families on angiosperm, which is recognize as the second largest prior to Asteraceae
Bulbophyllum tinea found by Vermeulen at Berumban mountain—Cameron Highlands and B. tinea found by Vaughan were considered to be conspecific with B. ovalifolium [14]
From the three types of flower, we can tell that it’s more easy to identified the Bukit Tapa (BT) type with coarsely verrucose lip as B. ovalifolium rather than when we found MB2 type with glabrous lip
Summary
Orchidaceae known as one of the largest families on angiosperm, which is recognize as the second largest prior to Asteraceae. Bulbophyllum is a large genus on orchidaceae with about 1 900 species accepted as valid taxa [2]. Is a widespread species in Shouth-east Asia Blume were described it as Diphyes ovalifolia in his book “Bijdragen tot de Flora van. This species is closely related to B. montense, B. puntjakense. The lip surface usually coarsely papillose-verrucose with entire margin, but Vermeulen [3] found a smooth lip This high variability of B. ovalifolium gave a difficulty to distinguish from B. montense. Bulbophyllum tinea found by Vermeulen at Berumban mountain—Cameron Highlands and B. tinea found by Vaughan were considered to be conspecific with B. ovalifolium [14] This vague species and confuse in varietal line need more plant collections to be observed and propose a clarification of species variation
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