| Bracts (leaf) | Bracts green, no mottling | Bracts distinctly short-petiolate 0.3-1.0mm green, no mottling | Bracts green, no mottling; Overall plant proportions are 1/2 or less that of T. ovatum 7.5-15cm. | Bracts green with dark brownish green mottling or spotting | Bracts distinctly petiolate; blade bluish green, occasionally with silvery green pattern along major veins, ovate-lanceolate, 1.5–8 × 0.8–6 cm, somewhat thick-textured, glossy, weakly to strongly cordate basally, apex long-acuminate; |
| Pedicel | pedicel erect to leaning, 2–6 cm. | pedicel ± leaning to almost horizontal. | petiole (0.5–)1–3(–6) cm. | ||
| Flower | Flower erect odorless; flower opens white, ages to pink | Flower nodding; | Flower erect odorless; flower opens pink, turns white, ages back to pink | Flower erect, rapidly recurving below bracts after pollination, ± odorless; | |
| Sepals | sepals spreading to horizontal, green, lanceolate to oblong-lanceolate, 15–50 × 6–20 mm, margins entire, apex acute; | sepals conspicuous, spreading, green, weakly sulcate, oblong or tapered apically, usually shorter and narrower than petals, 10–23 × 4–8 mm, margins entire, apex rounded-apiculate; | |||
| Petals | petals erect-ascending, usually wide-spreading from base, exposing entire pistil, white or with pink or blush markings, lacking V-shaped markings, fading to rosy pink, purple, or dark red, veins not deeply engraved, ± linear to widely obovate, 1.5–7 ×1–4 cm, widest at or above middle, thin-textured, margins flat to undulate, apex acuminate; | petals linear to linear-lanceolate, 0.5–2.4 × 0.2–0.6 cm; | petals erect-spreading, not recurved or only in distal 1/2, white (rarely pale pink), usually with dark madder-purple flecks, rarely almost entirely covered with madder-purple, color not changing with age, veins inconspicuous, not engraved, ovate-cordate to ± orbicular, tapered bluntly apically above middle, 1.3–2.8 × 1–2.4 cm, ± thin-textured, base rounded, cuneate, margins entire, mostly without undulations, apex ± apiculate-acuminate; | ||
| Stamens | stamens prominent, slightly recurved-spreading to straight, 10–18 mm; | stamens erect, 5–12 mm; | |||
| Filament | filaments white, shorter than anthers, slender; | filaments white, ± equaling anthers; | |||
| Anthers | anthers yellow, 4–16 mm, slender, dehiscence latrorse-introrse; | anthers straight, yellow, 3–6 mm, dehiscence ± extrorse; connectives not extended beyond anther sacs; | |||
| Connective | |||||
| Ovary | ovary green or white, ovoid, 6-angled, 5–12 mm, attachment ± 3/4 ovary width; | ovary creamy white, ovoid, weakly 6-angled but angles in close pairs, giving superficial impression of 3-angled ovary, short, 3–9 × 4 mm, somewhat obscured by anthers broadly attached; | |||
| Stigma | stigmas recurved, barely connate basally, greenish white or white, linear, not lobed adaxially, 6–10 mm, uniformly thin; | stigmas recurved and appearing ± lobed adaxially, at least in dried specimens, connate basally to distinct and closely grouped, white or cream, 2–4 mm, uniformly thick, fleshy; pedicel strongly erect at anthesis, strongly recurving and elongating below bracts after pollination, 2.5–11 cm. | |||
| Fruit | Fruits baccate, green or white, ± odorless, broadly ovoid, obscurely winged, 1.2–2.8 × 0.7–1.9 cm, pulpy-moist. 2n = 10. | Fruits greenish white, odorless, globose, 0.9–1.2 × 0.8–1 cm, pulpy, not juicy. 2n = 10 |