There are 4 species in H. imbricata complex: H. imbricata, H. imbricata var. basi-subcordata, H. maxima and H. pseudo-maxima. They have minor or major different in the following 1) presence of stomata on the upper and/or lower side of the leafs. 2) presence of humps on the cuticular cells and or hairs on the upper side of the leafs and 3) the depth of the incision at the base of the leaves. Some authors place H. imbricata var. basi-subcordata, H. maxima and H. pseudomaxima into synonym of H. imbricata.

H. shallertiae C. M. Burton is probably Dischidia imbricata or H. imbricata.

When I have time, I will put more descriptions and details for the differences of 4 species.

Background photos: H. maxima UT080

	Names	Remarks
	H. imbricata var. imbricata	Philippines
	H. imbricata var. basi-subcordata	Philippines
	H. maxima UT077	Tangkoko, Sulawesi 1200m. asl.
	H. maxima UT079	Tangkoko, North Sulawesi, Indonesia
	H. maxima UT080	Tangkoko, Sulawesi 750m. asl.
	H. maxima UT081	Tangkoko, Sulawesi
	H. pseudo-maxima AP1162	Mindanao, Philippines
	H. pseudo-maxima AP1163	Mindanao, Philippines

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