Key to Bakoa

Based on Wong, 2013 ( Aroideana V36 )

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1A. SpatheSpathe: A large sheathing bract enclosing the flower cluster. fully persistentPersistent: Remaining attached to the plant beyond the usual time of falling. until fruit dispersal; dorsal side of spadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. adnateAdnate: Joined by having grown together. to the spatheSpathe: A large sheathing bract enclosing the flower cluster. for at least half the length of the staminate flower zone; only ventral stamenStamen: The pollen-producing reproductive organ of a flower. s (i.e., those exposed by gaping spatheSpathe: A large sheathing bract enclosing the flower cluster. limb) fertile; stigmaStigma: The receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower. button-like, ca. 1/3 diam. of gynoecium; pedunclePeduncle: Flower stem. long-slender, arching .. 2
2A. SpadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. adnateAdnate: Joined by having grown together. to spatheSpathe: A large sheathing bract enclosing the flower cluster. for more than 4/5 of its length; lower part of WONG SIN YENG, 2013 3 spatheSpathe: A large sheathing bract enclosing the flower cluster. not noticeably constricted, wholly white; leaf blade bright medium green, slightly shiny. Kalimantan Barat .. 3
3A. ThecaeThecae: One of the lobes of an anther in which pollen is produced. pores conspicuously annulate; leaf blade linearLinear: -ellipticElliptic: , adaxially with a conspicuous raised marginal veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. . Sandstones .. 📌Bakoa nakamotoi
3B. ThecaeThecae: One of the lobes of an anther in which pollen is produced. pores flush with spadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. ; leaf blade narrowly ellipticElliptic: , adaxially lacking a conspicuous marginal veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. . Granites .. 📌Bakoa sicula
2B. SpadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. adnateAdnate: Joined by having grown together. to spatheSpathe: A large sheathing bract enclosing the flower cluster. for ca. 2/3 of its length; lower part of spatheSpathe: A large sheathing bract enclosing the flower cluster. noticeably constricted, white with conspicuous green veinVein: Venation types: A. midrib; B. primary lateral veins; C. interprimaray veins; D. secondary veins; E. collective veins; F. tertiary veins; G. basal ribs; H. basal veins. s; leaf blade deep green and very polished. Bako N.P. (NW Sarawak) .. 📌Bakoa lucens
1B. Upper 1/3 of spatheSpathe: A large sheathing bract enclosing the flower cluster. shedding (deliquescing) post-anthesisAnthesis: The period during which pollen is presented and/or the stigma is receptive. ; spadixSpadix: A spike of minute flowers closely arranged around a fleshy axis and typically enclosed in a spathe. adnateAdnate: Joined by having grown together. to the spatheSpathe: A large sheathing bract enclosing the flower cluster. on the dorsal side until the top of the pistilPistil: The female reproductive part of a flower. late flower zone; staminate flower zone fully fertile; stigmaStigma: The receptive tip of a carpel, or of several fused carpels, in the gynoecium of a flower. disc-like, reaching the edge or even slightly overhanging the edge of the gynoecium; pedunclePeduncle: Flower stem. short, stout, erect .. 📌Bakoa brevipedunculata
 


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