Flora of North America species comparison

1–3, erect to ascending, unbranched, very stout, 100–150 cm, densely hirsute, not glaucous, rhizomes absent(?).

1–10, spreading or decumbent to erect, unbranched or rarely branched near base, 15–40 cm, puberulent with curved trichomes or hirtellous, not glaucous, rhizomatous.

opposite, petiolate, with 1 stipular colleter on each side of petiole;

petiole 1–5 mm, hirsute;

blade oval or oblong to ovate, 7–22 × 3–14 cm, subsucculent, base truncate to subcordate, margins entire, apex obtuse to truncate or emarginate, mucronate, venation brochidodromous, secondary veins nearly orthogonal, surfaces hirsute, margins ciliate, 8–16 laminar colleters.

persistent or gradually caducous from base, opposite, petiolate, with 1 or 2 stipular colleters on each side of petiole plus 0–4 in axil;

petiole 6–25 mm, puberulent with curved trichomes to hirtellous;

blade ovate to lanceolate, 4.5–15 × 1.5–7.5 cm, chartaceous, base cuneate or obtuse to truncate or subcordate, margins sometimes crisped, apex obtuse to acute, venation eucamptodromous to faintly brochidodromous, surfaces hirtellous, rarely conduplicate, 0–12 laminar colleters.

terminal, paired, and extra-axillary, pedunculate, 21–53-flowered;

peduncle 6–13 cm, densely hirsute, with 1 caducous bract at the base of each pedicel.

extra-axillary, sessile or pedunculate, 5–28-flowered;

peduncle 0–1 cm, hirtellous, with 1 caducous bract at the base of each pedicel.

13–22 mm, densely hirsute.

17–30 mm, hirtellous.

erect to pendent;

calyx lobes lanceolate, 3.5–6 mm, apex acute, hirsute;

corolla cream to greenish cream or ochroleucous, sometimes tinged pink, lobes reflexed with spreading tips, elliptic, 9–11 mm, apex acute, glabrous;

gynostegial column 0.5–1 mm;

fused anthers greenish brown, cylindric, 2.5–3 mm, wings right-triangular, closed, apical appendages oval;

corona segments cream to ochroleucous, sometimes tinged pink, shiny, subsessile, conduplicate, 6–8 mm, equaling or exceeding style apex, apex truncate, spreading and tapering, glabrous, internal appendage laterally compressed, erect, barely exserted, glabrous;

style apex shallowly depressed, green or pink.

erect;

calyx lobes lanceolate, 3–5 mm, apex acute, hirtellous;

corolla green, sometimes tinged reddish or purplish abaxially, lobes reflexed, elliptic to lanceolate, 9–13 mm, apex acute, minutely hirtellous throughout or glabrous at tips abaxially, glabrous adaxially;

gynostegial column 0.3–0.5 mm;

fused anthers brown, obconic, 1.7–2 mm, wings triangular, widest at middle, closed, apical appendages ovate;

corona segments cream to green with cream apex, fading yellow, sessile, tubular, slightly sinuous, relatively stout, 8–11 mm, greatly exceeding style apex, apex slightly flared, truncate, minutely papillose to glabrate, internal appendage lingulate, sharply incurved, barely exserted, greatly exceeded by segment margin and exposing cavity, minutely papillose.

ovate, 6–7 × 4–5 mm, margin winged, faces minutely rugulose;

coma 4–4.5 cm.

ovate to oval, 6–8 × 4.5–6.5 mm, margin winged, faces smooth;

coma 2–4 cm.

erect on upcurved pedicels, lance-ovoid, 9.5–13.5 × 2–3 cm, apex attenuate, smooth, densely hirsute.

erect on upcurved pedicels, lance-ovoid, 6.5–10 × 1.5–3 cm, apex acuminate, smooth, sometimes faintly striate, puberulent with curved trichomes or hirtellous.