Flora of North America species comparison

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Pterospora

Albany-beechdrops, pinedrops
Habit Herbs, achlorophyllous, heterotrophic.
Stems

absent.
Leaves

absent.
Inflorescences

racemes, erect at emergence from soil, axis fleshy and fibrous, persistent after seed dispersal, pink to reddish or brownish, 0.5–1.5 cm diam. proximal to proximalmost flower.
Pedicels

decurved, somewhat longer in fruit;

bracteoles absent.
Flowers

radially symmetric, nodding;

sepals 5, distinct, lanceolate-ovate;

petals 5, connate, cream to yellowish or white, without basal tubercles, (surfaces glabrous), corolla urceolate;

intrastaminal nectary disc present;

stamens 10, included;

filaments broader proximally than distally, glabrous;

anthers depressed-ovoid to ovoid, with awns, without tubules, dehiscent by 2 oval slits;

pistil 5-carpellate;

ovary 5-locular;

placentation axile;

style straight, slender;

stigma capitate, without subtending ring of hairs.
Fruits

capsular, pendulous, dehiscence acropetally loculicidal, no cobwebby tissue exposed by splitting valves at dehiscence.
Seeds

100+, ovoid, with broad, rounded, membranous wing attached at 1 end.
x

= 8.

Pterospora
Distribution
from USDA
North America; n Mexico
[BONAP county map]
Discussion

Species 1: North America, n Mexico.

Species 1

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 8, p. 389. Author: Gary D. Wallace.
Parent taxa Ericaceae > subfam. Monotropoideae
Subordinate taxa
P. andromedea
Name authority Nuttall: Gen. N. Amer. Pl. 1: 269. 1818 ,
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

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