Crepidium commelinifolium (Zollinger & Moritzi 1844: 402) Szlachetko (1995: 125)

Margońska, Hanna B., 2015, A new subspecies of Crepidium commelinifolium (Malaxideae; Epidendroideae; Orchidaceae), Phytotaxa 204 (2), pp. 159-164 : 159

Crepidium commelinifolium (Zollinger & Moritzi 1844: 402) Szlachetko (1995: 125) .

( Fig. 1 . Margońska & Szlachetko (2010: 2); Fig. 2 .

Homotypic synonyms:— Microstylis commelinifolia Zoll. & Moritzi. Platyclinis commelinifolia (Zoll. & Moritzi) Bentham (1881: 295) . Malaxis commelinifolia (Zoll. & Moritzi) Kuntze (1891: 673) .

Lectotype (designated by Margońska et al. 2012: 171):– INDONESIA. Java, Salak, Mount “Tjappas”, 15–18 November 1840, Zollinger 1748 ( P!, isolectotypes BM –000082923!, K – L!, FI!, WR –40923!).

Shoot elongate, 1–5 (ascending part, without inflorescence) × 0.2–0.35 cm, creeping, often branched. Leaves many, leaf blade ca. (1)1.5–2(2.2) × (0.6)1.2–1.8(2) cm, oblique, nearly cordate to ovate, shortly attenuate, acute, cordate at base, margins entire and simple, green, sometimes pale purple flushed. Inflorescence (8) 15–25 cm, erect, slender, green or purple to violet flushed; raceme 5–10(15) cm, 10–20(30)–flowered, lax, purple to violet. Flowers ca. 0.3– 0.35 cm in diameter. Dorsal sepal oblong to oblong-ovate, acute to subacute. Lateral sepals oblique, ovate, obtuse to subacute. Petals oblong, lanceolate to oblanceolate, obtuse to acute. Lip 0.31–0.36 cm × 0.28–0.3 cm, obovate in general outline; mid-lobe semi-ovate, apically split (up to ca. 1/4 of its length), each tooth triangular, obtuse to subacute, teeth convergent; both lateral lobes triangular, distally with each internal tooth (or 2), each external tooth: oblique, broader than the inner, auricles occupying over 1/3 of the lip length, erect, obtuse; cavity 0.08–0.12 cm long, ca. 0.01 cm deep, ending at the mid-lobe base and surrounded by a distinct rim above which lies a broad, thick, nearly ovate, dark convexity which is apically distinctly erect and vanishes before the mid-lobe base. Gynostemium 0.12–0.14 cm long; staminodes ovate. ( Margońska et al. 2012: 171)

Figures

FIGURE 1. Habit and flower elements of Crepidium commelinifolium A habit. B. flower. C. lateral sepals and petal. D. lip. (Margońska et al. 2010: 2, drawn by H.B. Margońska).

FIGURE 2. Leaves of Crepidium commelinifolium (Margońska et al. (2012: I.9), photo by H.B. Margońska taken in her personal orchid living collection).