Key to Sarawak Species of the Schismatoglottis Calyptrata

CLADE
Based on Wong, Hoe and Boyce, 2016 ( Aroideana V39N2 )

Click on 📌 to highlight and compare characteristics.
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1A. RheophyteRheophyte: An aquatic plant that lives in fast moving water currents. s .. 📌Schismatoglottis ahmadii
1B. Terrestrial mesophytes or lithophyteLithophyte: A plant that grows on bare rock or stone. s .. 2
2A. PistilPistil: The female reproductive part of a flower. late flower zone not adnateAdnate: Joined by having grown together. to spatheSpathe: A large sheathing bract enclosing the flower cluster. ; lithophyteLithophyte: A plant that grows on bare rock or stone. s of Karst limestone. Mulu N.P .. 📌Schismatoglottis muluensis
2B. PistilPistil: The female reproductive part of a flower. late flower zone variously adnateAdnate: Joined by having grown together. to spatheSpathe: A large sheathing bract enclosing the flower cluster. ; Terrestrial mesophytes, if associated with Karst limestone then never occurring epilithically .. 3
3A. Leaf blades glossy brilliant green, rubbery and sub-succulent; spatheSpathe: A large sheathing bract enclosing the flower cluster. limb remaining green throughout 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. appendixAppendix: Sterile appendage at the end of a spadix. hemispherical, staminodeStaminode: A sterile or abortive stamen, frequently resembling a stamen without its anther. s closely appressed, polygonal, smooth medium yellow, contrasting with white staminate flowers. NW Sarawak; granites or sandstones .. 📌Schismatoglottis viridissima
3B. Leaf blades semi-glossy green, softly leathery; spatheSpathe: A large sheathing bract enclosing the flower cluster. limb becoming creamy yellow or white and contrasting with green lower spatheSpathe: A large sheathing bract enclosing the flower cluster. during 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. appendixAppendix: Sterile appendage at the end of a spadix. conical to bullet-shaped, staminodeStaminode: A sterile or abortive stamen, frequently resembling a stamen without its anther. s somewhat lax, columnar, slightly round-topped, white to pale yellow, never contrasting with staminate flower colour; not granite associated .. 4
4A. Leaf blades cordateCordate: to broadly sagittateSagittate: ; limestone-associated forest, Padawan (NW Sarawak) Schismatoglottis baangongensis
4B. Leaf blades narrowly hasto-sagittateSagittate: to oblongOblong: -lanceolateLanceolate: to narrowly obovateOvate: ; not limestone-associated, N and C Sarawak .. 5
5A. Leaf blade oblongOblong: -lanceolateLanceolate: to narrowly obovateOvate: , the base acute to rounded, not at all cordateCordate: ; pistilPistil: The female reproductive part of a flower. late flower zone to adnateAdnate: Joined by having grown together. to the spatheSpathe: A large sheathing bract enclosing the flower cluster. for ca 1 cm, appendixAppendix: Sterile appendage at the end of a spadix. bullet-shaped; Bintulu & Sarkei .. 📌Schismatoglottis clarae
5B. Leaves narrowly hasto-sagittateSagittate: ; pistilPistil: The female reproductive part of a flower. late flower zone not adnateAdnate: Joined by having grown together. to spatheSpathe: A large sheathing bract enclosing the flower cluster. , appendixAppendix: Sterile appendage at the end of a spadix. conoid; Kapit .. 📌Schismatoglottis ardenii
 


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