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Published In: Transactions of the American Philosophical Society, new series 5(6[1]): 157–158. 1837[1835]. (Jan 1835) (Trans. Amer. Philos. Soc., n.s.) Name publication detailView in BotanicusView in Biodiversity Heritage Library

Project Name Data (Last Modified On 7/9/2009)
Acceptance : Accepted
Project Data     (Last Modified On 7/22/2009)


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3. Nemastylis Nutt. (celestial lily)

(Goldblatt, 1975)

Plants with ovoid to subglobose bulbs. Aerial stems 12–40 cm long, erect or ascending, circular in cross-section. Leaves few, linear, the leaf blades folded longitudinally near the base, becoming flat or corrugated along the veins in the apical 2/3–3/4. Inflorescences 1–3 per aerial stem from the upper leaf axils, long-stalked, each with 1–2 flowers enclosed by a pair of spathelike, herbaceous bracts. Flowers with stalks 12–35 mm long. Perianth spreading, light blue to bright blue, usually with a well-developed white or light yellow “eye” at the base, the sepals and petals similar and fused at the bases, elliptic with the tips rounded or somewhat pointed, the petals slightly shorter than the sepals. Style short, deeply 3-lobed, each lobe again deeply 2-lobed, linear. Capsules 10–20 mm long. Five species, U.S., Mexico.


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1 Stamens with the filaments free or fused only at the base; broadest leaf blades 5–11 mm wide; sepals 25–30 mm long 1 Nemastylis geminiflora
+ Stamens with the filaments fused nearly entirely or in the lower half; broadest leaf blades 1–4 mm wide; sepals 18–25 mm long 2 Nemastylis nuttallii
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