Difference between revisions of "Hexalectris spicata"
Torreya 4: 121. 1904.
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|subfamily=Orchidaceae subfam. Epidendroideae | |subfamily=Orchidaceae subfam. Epidendroideae | ||
|tribe=Orchidaceae tribe Arethuseae | |tribe=Orchidaceae tribe Arethuseae | ||
Revision as of 22:14, 27 May 2020
Stems: sheathing bracts 3–5. Inflorescences: floral bracts lanceolate to triangular-ovate, 5–10 × 2–6 mm. Flowers 5–25; pedicels 8–20 mm; lateral sepals oblong-ovate to oblong-lanceolate, falcate, apex acute; petals weakly to strongly recurved, elliptic, oblong-obovate, oblanceolate, or obovate, falcate; lip ovate to obovate, clawed, shallowly 3-lobed, fissure between lobes less than 2 mm deep, middle lobe ovate to suborbiculate, margins undulate, apically rounded to truncate, lateral lobes incurved, broadly rounded to obtuse, margins entire, apically triangular to rounded; lamellae 5(–7), central, purple to white; column white to yellowish white, apically winged, 11–18 mm; anthers whitish to yellow.
Distribution
c, e North America, Mexico.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Flowers chasmogamous; rostellum present; lamellae 0.7–1 mm; petals greater than 14 × 5 mm. | Hexalectris spicata var. spicata |
| 1 | Flowers cleistogamous or nearly so, occasionally chasmogamous; rostellum reduced or absent; lamellae 0.2–0.7 mm; petals less than 16 × 5 mm. | Hexalectris spicata var. arizonica |