Thursday, September 15, 2016

Hoya Structural Parts PHOTOS

Hoya Structural Parts in Sequence
with Photos


  • Plant to bush (pg 1)
  • Plant dangling (pg 1)
  • Square stem (pg 1)
  • Leaf nerves palmate (pg 1)
  • Leaf nerves plinerved (pg 2)
  • Leaf nerves anastomosing (pg 2)
  • Leaf blade imbricate (pg 2)
  • Leaf blade pressed to the substrate (pg 2)
  • Leaf nerves lighter color than the blade (pg 3)
  • Leaf nerves darker then the surface (pg 3)
  • Leaf terete (pg 3)
  • Leaf blade ovate to obcordate (pg 3)
  • Leaf blade long, enervis, dorsal concave (pg 4)
  • Leaf blade thick (drought resistant) (pg 4)
  • Leaf blade long, enervis dorsal convex (pg 4)
  • Leaf blade 10X longer than wide (pg 5)
  • Leaf blade 5X-9X longer than wide (pg 5)
  • Leaves with indumentum on both surfaces (pg 5)
  • Leaf blade with indumentum on lower surface (pg 5)
  • Leaf secondary nerves perpendicular to the midrib (pg 6)
  • Leaves more than 2 at a node (pg 6)
  • Leaf one at a node, one aborts occasionally (pg 6)
  • Leaves dimorphic of two types (round & elliptic) (pg 7)
  • Leaf with no (petiole (sessile) or nearly so (pg 7)
  • Leaf base cordate (pg 7)
  • Leaf base cuneate (pg 8) 
  • Leaf edge undulate (pg 8) 
  • Leaf margins recurved or involuted (pg 9) 
  • Leaf edge dark colored (pg 9)
  • Leaf apex acuminate (pg 9)
  • Leaf apex mucronate (pg 9)
  • Leaf apex truncate to emarginate (pg 10)
  • Petiole grooved above (pg 10)
  • Peduncles multiple (pg 11)
  • Peduncle none Sessile (pg 11)
  • Peduncles 15 cm long or more (pg 11)
  • Pedicels curved of varying lengths (pg 12)
  • Pedicels with indumentum (pg 12) 
  • Sepals round or nearly so (pg 12)
  • Sepals linear (pg 12)
  • Sepals ciliate (pg 13)
  • Sepals extend to the corolla sinuses or beyond (pg 13) 
  • Sepals with ligulate ciliate extensions around the ovaries (pg 13) 
  • Ovaries with hair cells (pg 13) 
  • Ovary apex modified (lip like) (pg 13) 
  • Corolla urceolate (pg 14) 
  • Corolla campanulate (pg 14)
  • Corolla revolute (pg 14) 
  • Corolla reflexed (pg 14) 
  • Corolla rotate (pg 14)  
  • Corolla lobes cupped forward claw like (pg 15)
  • Corolla inside glabrous (pg 15) 
  • Corolla both surfaces glabrous (pg 15) 
  • Corolla both surfaces pubescent (pg 15)
  • Corolla dorsal surface pubescent margined (pg 15) 
  • Corolla inner surface edged with stellate hairs (pg 16) 
  • Basal inside part covered by long, slender, woolly hairs (pg 16)
  • Corolla hirsute ring under corona (pg 16)
  • Corolla not deeply lobed and inner lobes at the sinus, glandular: corolla totally glabrous to very glabrous, lobes acute but towards the lobe apexes exhibiting a small area of villoseness (pg 16)
  • Corolla white corona red (pg 16)
  • Corona sunken into corolla at base (pg 17) 
  • Hoya myanmarica P. T. Li, distinctly veined corolla (pg 17) 
  • Hoya vacciniiflora O. Schwartz. In our species the structure of the corona scales is noteworthy. Their edges are bent sideways., and on the radial sides they bend down at a right angle to the outside, so that they then spread out horizontally from each other. The pattern of each scale is then exactly that of a segment of 72°. Since the edges of the neighboring scales touch each other, there develops a flat plate-like corona ring around the gynostegium (pg 17)
  • Corona outer lobe long and narrow (pg 17) 
  • Anthers very long exceeding the coronal inner lobe (pg 17)
  • Corolla center dorsal with pentagonal thickening (pg 17) 
  • Corona outer lobe bilobed (pg 17)
    Section Acanthostemma
  • Corona with skirt below (pg 18)
    Section Otostemma
  • Corona with skirt and bilobes (pg 18)
    Characters of two sections
  • Hoya incurvula Schlechter 1916 corona apex (i.e. back) incurved obtuse (pg 18)
  • Corona outer lobe vertical. Channel exposed all the way (pg 18) 
  • Corona outer lobe raised (pg 18) 
  • Coronal outer lobe horizontal (pg 19)
  • Coronal outer lobe turned down (pg 19)
  • Coronal outer lobe recurved (pg 19)
  • Coronal outer lobe acute (pg 19)
  • Coronal outer lobe rounded, obtuse (pg 19) 
  • Coronal outer lobe truncate (pg 20)
  • Coronal outer lobe emarginate (pg 20)
  • Coronal outer lobe inflexed (pg 20)
  • Coronal outer lobe with flaps turned inward (pg 20)
  • Coronal dorsal rounded convex (pg 20)
  • Coronal dorsal horizontal (pg 21) 
  • Coronal dorsal concave (pg 21) 
  • Coronal outer lobe dorsal channeled (pg 21) 
  • Corona lobe dorsal keeled (pg 21) 
  • Coronal dorsal with two keels (pg 21) 
  • Corona dorsal sway (U) shaped (pg 22) 
  • Corona dorsal shallow cupped. Boat shaped (pg 22) 
  • Corona dorsal with umbo forward (pg 22) 
  • Corona dorsal edges sharp (pg 22) 
  • Coronal outer lobe exceeds corolla sinuses (pg 22) 
  • Coronal lobes with side shelves extending to inner lobe apices (pg 23) 
  • Corona inner lobe terete (pg 23) 
  • Corona inner lobe spatulate (pg 23) 
  • Corona inner lobe dentate (pg 23) 
  • Coronal inner lobe erect with short spur (pg 23)
  • Corona inner lobe keeled (pg 24)
  • Coronal inner lobe clavate below (pg 24) 
  • Corona inner lobe with crest (pg 24)  
  • Hoya leembruggeniana Koorders. Corona on the bottom channeled, above with 2 straight erect (not hooked) segments (pg 24) 
  • Corona with two projections pointing centrally (pg 24) 
  • Corona inner lobe blunt (square end) (pg 24) 
  • Coronal inner lobe blunt no extension (pg 24) 
  • Corona ventral with two round spurs pointing apically (pg 25) 
  • Corona ventral with (two) flat pads on channel of each lobe (pg 25) 
  • Coronal inner lobe reaches the center (pg 25) 
  • Corona inner lobe above outer lobe (pg 25) 
  • Corona inner lobe not free of anther (pg 26) 
  • Corona inner lobe channeled (pg 26) 
  • Coronal inner lobe hollow etc. (pg 26) 
  • Corona with annulus below (pg 26) 
  • Coronal ventral folded out forming a “V” (pg 26) 
  • Corona ventral hirsute around central column (pg 27) 
  • Corona ventral with swollen protrusions at column base (pg 27) 
  • Corona ventral with punctate surface around column (pg 27) 
  • Corona ventral lobes closely appressed to the column (pg 27) 
  • Coronal ventral with pre skirt (pg 27) 
  • Coronal lobes not sulcate on surfaces (pg 28) 
  • Coronal lobes nearly vertical (pg 28) 
  • Hoya lasigynostegia P. T. Li, gynostegia (tubes like threads) pubescent (pg 28) 
  • Anthers exceed inner lobe (pg 28) 
  • Anthers exposed but corona inner lobe higher (pg 28) 
  • Anthers very long greatly exceeding inner coronal lobe (pg 29)
  • Anthers creped (page 29) 
  • Anther wing apex square ended (pg 29)
  • Anther wings with two apices U shaped apex (pg 29)
  • Anther wings with three apices (pg 29) 
  • Anther wings with thick sides end rounded (pg 30)
  • Anther wings apex acute extended (pg 30) 
  • Style capitate or ornate (pg 30) 
  • Style cone shaped (pg 30) 
  • Flower cluster globose (pg 31) 
  • Flower cluster number of flowers (pg 31) 
  • Pollinia lengths and widths (pg 31) 
  • Translator type (ls)  (pg 31) 
  • Translator linear but modified a little beyond pollinia end. l/cw or l/o (pg 31) 
  • Translators fiddle shaped more like drumsticks (fb) (pg 32)
  • Translators perpendicular to the retinaculum (p) (pg 32) 
  • Translators delta shaped with flat top (d) (pg 32) 
  • Translators end squared off (t) (pg 33) 
  • Caudicle a small ball (o) (pg 33) 
  • Caudicle with wide end funnel shaped (cw) (pg 33) 
  • Leaf nerve angle (pg 33) 
  • Coronal lobe lengths (pg 33) 
  • Style crown ornate with fingers (pg 34) 
  • Stems with no leaves normally (pg 34) 
  • Corolla red, corona white Hoya imperialis (pg 34) 
  • Corolla and corona white (pg 34) 
  • Corona and corolla red tones (pg 35) 
  • Corona and corolla yellow tones (pg 35) 
  • Corona with bilobes turner under (pg 35) 
  • Corona ventral lobes projected to column like feet (pg 35) 
  • Corolla with ligules at the sinuses (pg 36) 

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